chore: bring in support for TS 4.5's exactOptionalPropertyTypes (#275)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2026-05-21 02:40:08 +00:00 · 2021-12-24 17:08:58 +02:00
parent 7fe78cec25
commit c20e5ae2a9
62 changed files with 5217 additions and 4132 deletions
--- a/deno/payloads/v6/auditLog.ts
+++ b/deno/payloads/v6/auditLog.ts
@@ -540,7 +540,7 @@ export type APIAuditLogChangeKeyExpireGracePeriod = AuditLogChangeData<'expire_g
 * @internal
 * @deprecated API and Gateway v6 are deprecated and the types will not receive further updates, please update to v8.
 */
-interface AuditLogChangeData<K extends string, D extends unknown> {
+interface AuditLogChangeData<K extends string, D> {
 	key: K;
 	new_value?: D;
 	old_value?: D;
--- a/deno/payloads/v8/_interactions/base.ts
+++ b/deno/payloads/v8/_interactions/base.ts
@@ -39,7 +39,7 @@ export interface APIInteractionGuildMember extends APIGuildMember {
 /**
 * https://discord.com/developers/docs/interactions/receiving-and-responding#interaction-object
 */
-export interface APIBaseInteraction<Type extends InteractionType, Data extends unknown> {
+export interface APIBaseInteraction<Type extends InteractionType, Data> {
 	/**
 	 * ID of the interaction
 	 */
--- a/deno/payloads/v8/auditLog.ts
+++ b/deno/payloads/v8/auditLog.ts
@@ -644,7 +644,7 @@ export type APIAuditLogChangeKeyStatus = AuditLogChangeData<'status', GuildSched
 */
 export type APIAuditLogChangeKeyLocation = AuditLogChangeData<'location', string>;

-interface AuditLogChangeData<K extends string, D extends unknown> {
+interface AuditLogChangeData<K extends string, D> {
 	key: K;
 	/**
 	 * The new value
--- a/deno/payloads/v8/guildScheduledEvent.ts
+++ b/deno/payloads/v8/guildScheduledEvent.ts
@@ -1,4 +1,5 @@
 import type { APIUser } from './user.ts';
+import type { APIGuildMember } from './guild.ts';
 import type { Snowflake } from '../../globals.ts';

 export interface APIGuildScheduledEvent {
@@ -102,3 +103,21 @@ export enum GuildScheduledEventPrivacyLevel {
 	 */
 	GuildOnly = 2,
 }
+
+/**
+ * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
+ */
+export interface APIGuildScheduledEventUser {
+	/**
+	 * The scheduled event id which the user subscribed to
+	 */
+	guild_scheduled_event_id: Snowflake;
+	/**
+	 * The user which subscribed to the event
+	 */
+	user: APIUser;
+	/**
+	 * The guild member data for this user for the guild which this event belongs to, if any
+	 */
+	member?: APIGuildMember;
+}
--- a/deno/payloads/v9/_interactions/base.ts
+++ b/deno/payloads/v9/_interactions/base.ts
@@ -39,7 +39,7 @@ export interface APIInteractionGuildMember extends APIGuildMember {
 /**
 * https://discord.com/developers/docs/interactions/receiving-and-responding#interaction-object
 */
-export interface APIBaseInteraction<Type extends InteractionType, Data extends unknown> {
+export interface APIBaseInteraction<Type extends InteractionType, Data> {
 	/**
 	 * ID of the interaction
 	 */
--- a/deno/payloads/v9/auditLog.ts
+++ b/deno/payloads/v9/auditLog.ts
@@ -683,7 +683,7 @@ export type APIAuditLogChangeKeyStatus = AuditLogChangeData<'status', GuildSched
 */
 export type APIAuditLogChangeKeyLocation = AuditLogChangeData<'location', string>;

-interface AuditLogChangeData<K extends string, D extends unknown> {
+interface AuditLogChangeData<K extends string, D> {
 	key: K;
 	/**
 	 * The new value
--- a/deno/payloads/v9/guildScheduledEvent.ts
+++ b/deno/payloads/v9/guildScheduledEvent.ts
@@ -1,4 +1,5 @@
 import type { APIUser } from './user.ts';
+import type { APIGuildMember } from './guild.ts';
 import type { Snowflake } from '../../globals.ts';

 export interface APIGuildScheduledEvent {
@@ -102,3 +103,21 @@ export enum GuildScheduledEventPrivacyLevel {
 	 */
 	GuildOnly = 2,
 }
+
+/**
+ * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
+ */
+export interface APIGuildScheduledEventUser {
+	/**
+	 * The scheduled event id which the user subscribed to
+	 */
+	guild_scheduled_event_id: Snowflake;
+	/**
+	 * The user which subscribed to the event
+	 */
+	user: APIUser;
+	/**
+	 * The guild member data for this user for the guild which this event belongs to, if any
+	 */
+	member?: APIGuildMember;
+}
--- a/deno/rest/v8/channel.ts
+++ b/deno/rest/v8/channel.ts
@@ -17,6 +17,7 @@ import type {
 	OverwriteType,
 	VideoQualityMode,
 } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/channel#get-channel
@@ -26,7 +27,7 @@ export type RESTGetAPIChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
 */
-export interface RESTPatchAPIChannelJSONBody {
+export type RESTPatchAPIChannelJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * 1-100 character channel name
 	 *
@@ -103,7 +104,7 @@ export interface RESTPatchAPIChannelJSONBody {
 	 * See https://discord.com/developers/docs/resources/channel#channel-object-video-quality-modes
 	 */
 	video_quality_mode?: VideoQualityMode | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
@@ -152,20 +153,21 @@ export type RESTGetAPIChannelMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/channel#message-object-message-reference-structure
 */
-export type APIMessageReferenceSend = Partial<APIMessageReference> &
-	Required<Pick<APIMessageReference, 'message_id'>> & {
+export type APIMessageReferenceSend = StrictPartial<APIMessageReference> &
+	Required<Pick<APIMessageReference, 'message_id'>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 		/**
 		 * Whether to error if the referenced message doesn't exist instead of sending as a normal (non-reply) message
 		 *
 		 * @default true
 		 */
 		fail_if_not_exists?: boolean;
-	};
+	}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
 */
-export interface RESTPostAPIChannelMessageJSONBody {
+export type RESTPostAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -188,6 +190,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	 * Embedded `rich` content
 	 *
 	 * See https://discord.com/developers/docs/resources/channel#embed-object
+	 * @deprecated Use `embeds` instead
 	 */
 	embed?: APIEmbed;
 	/**
@@ -218,7 +221,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
@@ -291,7 +294,7 @@ export type RESTDeleteAPIChannelMessageReactionResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
 */
-export interface RESTPatchAPIChannelMessageJSONBody {
+export type RESTPatchAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The new message contents (up to 2000 characters)
 	 */
@@ -338,7 +341,7 @@ export interface RESTPatchAPIChannelMessageJSONBody {
 	 * See https://discord.com/developers/docs/interactions/message-components#component-object
 	 */
 	components?: APIActionRowComponent[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
@@ -351,6 +354,7 @@ export type RESTPatchAPIChannelMessageFormDataBody =
 			payload_json?: string;
 	  } & Record<`files[${bigint}]`, unknown>)
 	| (RESTPatchAPIChannelMessageJSONBody & Record<`files[${bigint}]`, unknown>);
+
 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
 */
@@ -411,7 +415,7 @@ export type RESTGetAPIChannelInvitesResult = APIExtendedInvite[];
 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
 */
-export interface RESTPostAPIChannelInviteJSONBody {
+export type RESTPostAPIChannelInviteJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Duration of invite in seconds before expiry, or 0 for never
 	 *
@@ -455,7 +459,7 @@ export interface RESTPostAPIChannelInviteJSONBody {
 	 * - The application must have the `EMBEDDED` flag
 	 */
 	target_application_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
@@ -505,7 +509,7 @@ export type RESTDeleteAPIChannelPinResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
 */
-export interface RESTPutAPIChannelRecipientJSONBody {
+export type RESTPutAPIChannelRecipientJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Access token of a user that has granted your app the `gdm.join` scope
 	 */
@@ -514,7 +518,7 @@ export interface RESTPutAPIChannelRecipientJSONBody {
 	 * Nickname of the user being added
 	 */
 	nick?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
--- a/deno/rest/v8/emoji.ts
+++ b/deno/rest/v8/emoji.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals.ts';
 import type { APIEmoji } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/emoji#list-guild-emojis
@@ -14,7 +15,7 @@ export type RESTGetAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji-json-params
 */
-export interface RESTPostAPIGuildEmojiJSONBody {
+export type RESTPostAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -29,7 +30,7 @@ export interface RESTPostAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji
@@ -39,7 +40,7 @@ export type RESTPostAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
 */
-export interface RESTPatchAPIGuildEmojiJSONBody {
+export type RESTPatchAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -48,7 +49,7 @@ export interface RESTPatchAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
--- a/deno/rest/v8/guild.ts
+++ b/deno/rest/v8/guild.ts
@@ -20,21 +20,27 @@ import type {
 	GuildVerificationLevel,
 	GuildWidgetStyle,
 } from '../../payloads/v8/mod.ts';
-import type { Nullable } from '../../utils/internals.ts';
+import type {
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface,
+	Nullable,
+	StrictPartial,
+	StrictRequired,
+} from '../../utils/internals.ts';
 import type { RESTPutAPIChannelPermissionJSONBody } from './channel.ts';

 export interface APIGuildCreateOverwrite extends RESTPutAPIChannelPermissionJSONBody {
 	id: number | string;
 }

-export type APIGuildCreatePartialChannel = Partial<
+export type APIGuildCreatePartialChannel = StrictPartial<
 	Pick<APIChannel, 'type' | 'topic' | 'nsfw' | 'bitrate' | 'user_limit' | 'rate_limit_per_user'>
-> & {
-	name: string;
-	id?: number | string;
-	parent_id?: number | string | null;
-	permission_overwrites?: APIGuildCreateOverwrite[];
-};
+> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		name: string;
+		id?: number | string;
+		parent_id?: number | string | null;
+		permission_overwrites?: APIGuildCreateOverwrite[];
+	}>;

 export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 	id: number | string;
@@ -43,7 +49,7 @@ export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
 */
-export interface RESTPostAPIGuildsJSONBody {
+export type RESTPostAPIGuildsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -126,7 +132,7 @@ export interface RESTPostAPIGuildsJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
@@ -158,7 +164,7 @@ export type RESTGetAPIGuildPreviewResult = APIGuildPreview;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
 */
-export interface RESTPatchAPIGuildJSONBody {
+export type RESTPatchAPIGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * New name for the guild (2-100 characters)
 	 */
@@ -257,7 +263,7 @@ export interface RESTPatchAPIGuildJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
@@ -287,24 +293,26 @@ export type RESTPostAPIGuildChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
 */
-export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<{
-	/**
-	 * Channel id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the channel
-	 */
-	position: number;
-	/**
-	 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
-	 */
-	lock_permissions?: boolean;
-	/**
-	 * The new parent id of this channel
-	 */
-	parent_id?: Snowflake | null;
-}>;
+export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Channel id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the channel
+		 */
+		position: number;
+		/**
+		 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
+		 */
+		lock_permissions?: boolean;
+		/**
+		 * The new parent id of this channel
+		 */
+		parent_id?: Snowflake | null;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
@@ -360,7 +368,7 @@ export type RESTGetAPIGuildMembersSearchResult = APIGuildMember[];
 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
 */
-export interface RESTPutAPIGuildMemberJSONBody {
+export type RESTPutAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * An oauth2 access token granted with the `guilds.join` to the bot's application for the user you want to add to the guild
 	 */
@@ -389,14 +397,14 @@ export interface RESTPutAPIGuildMemberJSONBody {
 	 * Requires `DEAFEN_MEMBERS` permission
 	 */
 	deaf?: boolean;
-}
+}>;

-export type RESTPutAPIGuildMemberResult = APIGuildMember | undefined;
+export type RESTPutAPIGuildMemberResult = APIGuildMember | never;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-member
 */
-export interface RESTPatchAPIGuildMemberJSONBody {
+export type RESTPatchAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
@@ -427,7 +435,7 @@ export interface RESTPatchAPIGuildMemberJSONBody {
 	 * Requires `MOVE_MEMBERS` permission
 	 */
 	channel_id?: Snowflake | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
@@ -437,19 +445,20 @@ export type RESTPatchAPIGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export interface RESTPatchAPICurrentGuildMemberNicknameJSONBody {
+export type RESTPatchAPICurrentGuildMemberNicknameJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
 	 * Requires `CHANGE_NICKNAME` permission
 	 */
 	nick?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export type RESTPatchAPICurrentGuildMemberNicknameResult = Required<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;
+export type RESTPatchAPICurrentGuildMemberNicknameResult =
+	StrictRequired<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member-role
@@ -479,7 +488,7 @@ export type RESTGetAPIGuildBanResult = APIBan;
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
 */
-export interface RESTPutAPIGuildBanJSONBody {
+export type RESTPutAPIGuildBanJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to delete messages for (0-7)
 	 */
@@ -488,7 +497,7 @@ export interface RESTPutAPIGuildBanJSONBody {
 	 * Reason for the ban
 	 */
 	reason?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
@@ -508,7 +517,7 @@ export type RESTGetAPIGuildRolesResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
 */
-export interface RESTPostAPIGuildRoleJSONBody {
+export type RESTPostAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 *
@@ -518,7 +527,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	/**
 	 * Bitwise value of the enabled/disabled permissions
 	 *
-	 * @default "default role permissions in guild"
+	 * @default "default role permissions in guild"
 	 */
 	permissions?: Permissions | null;
 	/**
@@ -547,7 +556,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	 * @default false
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
@@ -557,16 +566,18 @@ export type RESTPostAPIGuildRoleResult = APIRole;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
 */
-export type RESTPatchAPIGuildRolePositionsJSONBody = Array<{
-	/**
-	 * Role id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the role
-	 */
-	position?: number;
-}>;
+export type RESTPatchAPIGuildRolePositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Role id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the role
+		 */
+		position?: number;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
@@ -576,7 +587,7 @@ export type RESTPatchAPIGuildRolePositionsResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
 */
-export interface RESTPatchAPIGuildRoleJSONBody {
+export type RESTPatchAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 */
@@ -605,7 +616,7 @@ export interface RESTPatchAPIGuildRoleJSONBody {
 	 * Whether the role should be mentionable
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
@@ -648,7 +659,7 @@ export interface RESTGetAPIGuildPruneCountResult {
 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
 */
-export interface RESTPostAPIGuildPruneJSONBody {
+export type RESTPostAPIGuildPruneJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to count prune for (1 or more)
 	 *
@@ -665,7 +676,7 @@ export interface RESTPostAPIGuildPruneJSONBody {
 	 * Role(s) to include
 	 */
 	include_roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
@@ -702,7 +713,7 @@ export type RESTGetAPIGuildWidgetSettingsResult = APIGuildWidgetSettings;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
 */
-export type RESTPatchAPIGuildWidgetSettingsJSONBody = Partial<APIGuildWidgetSettings>;
+export type RESTPatchAPIGuildWidgetSettingsJSONBody = StrictPartial<APIGuildWidgetSettings>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
@@ -742,7 +753,7 @@ export type RESTGetAPIGuildWidgetImageResult = ArrayBuffer;

 export type RESTGetAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildMemberVerificationJSONBody {
+export type RESTPatchAPIGuildMemberVerificationJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Whether Membership Screening is enabled
 	 */
@@ -755,11 +766,11 @@ export interface RESTPatchAPIGuildMemberVerificationJSONBody {
 	 * The server description to show in the screening form
 	 */
 	description?: string | null;
-}
+}>;

 export type RESTPatchAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
+export type RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -772,9 +783,9 @@ export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
 	 * Sets the user's request to speak
 	 */
 	request_to_speak_timestamp?: string | null;
-}
+}>;

-export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
+export type RESTPatchAPIGuildVoiceStateUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -783,7 +794,7 @@ export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
 	 * Toggles the user's suppress state
 	 */
 	suppress?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#get-guild-welcome-screen
@@ -793,9 +804,10 @@ export type RESTGetAPIGuildWelcomeScreenResult = APIGuildWelcomeScreen;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-welcome-screen
 */
-export interface RESTPatchAPIGuildWelcomeScreenJSONBody extends Nullable<Partial<APIGuildWelcomeScreen>> {
-	/**
-	 * Whether the welcome screen is enabled
-	 */
-	enabled?: boolean | null;
-}
+export type RESTPatchAPIGuildWelcomeScreenJSONBody = Nullable<StrictPartial<APIGuildWelcomeScreen>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Whether the welcome screen is enabled
+		 */
+		enabled?: boolean | null;
+	}>;
--- a/deno/rest/v8/guildScheduledEvent.ts
+++ b/deno/rest/v8/guildScheduledEvent.ts
@@ -1,12 +1,12 @@
 import type { Snowflake } from '../../globals.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';
 import type {
 	APIGuildScheduledEvent,
 	GuildScheduledEventEntityType,
 	GuildScheduledEventPrivacyLevel,
 	APIGuildScheduledEventEntityMetadata,
 	GuildScheduledEventStatus,
-	APIGuildMember,
-	APIUser,
+	APIGuildScheduledEventUser,
 } from '../../v8.ts';

 /**
@@ -27,7 +27,7 @@ export type RESTGetAPIGuildScheduledEventsResult = APIGuildScheduledEvent[];
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
 */
-export interface RESTPostAPIGuildScheduledEventJSONBody {
+export type RESTPostAPIGuildScheduledEventJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The stage channel id of the guild event
 	 */
@@ -60,7 +60,7 @@ export interface RESTPostAPIGuildScheduledEventJSONBody {
 	 * The entity metadata of the scheduled event
 	 */
 	entity_metadata?: APIGuildScheduledEventEntityMetadata;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
@@ -85,12 +85,13 @@ export type RESTGetAPIGuildScheduledEventResult = APIGuildScheduledEvent;
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
 */
-export interface RESTPatchAPIGuildScheduledEventJSONBody extends Partial<RESTPostAPIGuildScheduledEventJSONBody> {
-	/**
-	 * The status of the scheduled event
-	 */
-	status?: GuildScheduledEventStatus;
-}
+export type RESTPatchAPIGuildScheduledEventJSONBody = StrictPartial<RESTPostAPIGuildScheduledEventJSONBody> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * The status of the scheduled event
+		 */
+		status?: GuildScheduledEventStatus;
+	}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
@@ -130,21 +131,3 @@ export interface RESTGetAPIGuildScheduledEventUsersQuery {
 * https://discord.com/developers/docs/resources/guild-scheduled-event#get-guild-scheduled-event-users
 */
 export type RESTGetAPIGuildScheduledEventUsersResult = APIGuildScheduledEventUser[];
-
-/**
- * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
- */
-export interface APIGuildScheduledEventUser {
-	/**
-	 * The scheduled event id which the user subscribed to
-	 */
-	guild_scheduled_event_id: Snowflake;
-	/**
-	 * The user which subscribed to the event
-	 */
-	user: APIUser;
-	/**
-	 * The guild member data for this user for the guild which this event belongs to, if any
-	 */
-	member?: APIGuildMember;
-}
--- a/deno/rest/v8/interactions.ts
+++ b/deno/rest/v8/interactions.ts
@@ -6,6 +6,7 @@ import type {
 	APIInteractionResponseCallbackData,
 	ApplicationCommandType,
 } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';
 import type {
 	RESTDeleteAPIWebhookWithTokenMessageResult,
 	RESTGetAPIWebhookWithTokenMessageResult,
@@ -25,22 +26,18 @@ export type RESTGetAPIApplicationCommandsResult = APIApplicationCommand[];
 */
 export type RESTGetAPIApplicationCommandResult = APIApplicationCommand;

-type RESTPostAPIBaseApplicationCommandsJSONBody = Omit<
-	APIApplicationCommand,
-	'id' | 'application_id' | 'description' | 'type' | 'version'
+type RESTPostAPIBaseApplicationCommandsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Omit<APIApplicationCommand, 'id' | 'application_id' | 'description' | 'type' | 'version' | 'guild_id'>
 >;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
 */
-export interface RESTPostAPIChatInputApplicationCommandsJSONBody extends RESTPostAPIBaseApplicationCommandsJSONBody {
-	type?: ApplicationCommandType.ChatInput;
-	/**
-	 * Whether this application command option should be autocompleted
-	 */
-	autocomplete?: boolean;
-	description: string;
-}
+export type RESTPostAPIChatInputApplicationCommandsJSONBody = RESTPostAPIBaseApplicationCommandsJSONBody &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		type?: ApplicationCommandType.ChatInput;
+		description: string;
+	}>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
@@ -64,7 +61,7 @@ export type RESTPostAPIApplicationCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
 */
-export type RESTPatchAPIApplicationCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
@@ -104,7 +101,7 @@ export type RESTPostAPIApplicationGuildCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
 */
-export type RESTPatchAPIApplicationGuildCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationGuildCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
--- a/deno/rest/v8/mod.ts
+++ b/deno/rest/v8/mod.ts
@@ -798,27 +798,3 @@ export const OAuth2Routes = {

 // Freeze OAuth2 route object
 Object.freeze(OAuth2Routes);
-
-export interface DiscordErrorFieldInformation {
-	code: string;
-	message: string;
-}
-
-export interface DiscordErrorGroupWrapper {
-	_errors: DiscordError[];
-}
-
-export type DiscordErrorData =
-	| DiscordErrorGroupWrapper
-	| DiscordErrorFieldInformation
-	| { [k: string]: DiscordErrorData }
-	| string;
-
-/**
- * https://discord.com/developers/docs/reference#error-messages
- */
-export interface DiscordError {
-	code: number;
-	message: string;
-	errors?: DiscordErrorData;
-}
--- a/deno/rest/v8/stageInstance.ts
+++ b/deno/rest/v8/stageInstance.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals.ts';
 import type { APIStageInstance, StageInstancePrivacyLevel } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/stage-instance#create-stage-instance
@@ -34,7 +35,7 @@ export type RESTGetAPIStageInstanceResult = APIStageInstance;
 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
 */
-export interface RESTPatchAPIStageInstanceJSONBody {
+export type RESTPatchAPIStageInstanceJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The topic of the stage instance (1-120 characters)
 	 */
@@ -43,7 +44,7 @@ export interface RESTPatchAPIStageInstanceJSONBody {
 	 * The privacy level of the stage instance
 	 */
 	privacy_level?: StageInstancePrivacyLevel;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
--- a/deno/rest/v8/sticker.ts
+++ b/deno/rest/v8/sticker.ts
@@ -1,4 +1,5 @@
 import type { APISticker, APIStickerPack } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 export type RESTGetAPIStickerResult = APISticker;

@@ -31,7 +32,7 @@ export interface RESTPostAPIGuildStickerFormDataBody {

 export type RESTPostAPIGuildStickerResult = APISticker;

-export interface RESTPatchAPIGuildStickerJSONBody {
+export type RESTPatchAPIGuildStickerJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the sticker (2-30 characters)
 	 */
@@ -44,7 +45,7 @@ export interface RESTPatchAPIGuildStickerJSONBody {
 	 * The Discord name of a unicode emoji representing the sticker's expression (2-200 characters)
 	 */
 	tags?: string;
-}
+}>;

 export type RESTPatchAPIGuildStickerResult = APISticker;

--- a/deno/rest/v8/template.ts
+++ b/deno/rest/v8/template.ts
@@ -1,4 +1,5 @@
 import type { APIGuild, APITemplate } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/template#get-template
@@ -8,7 +9,7 @@ export type RESTGetAPITemplateResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
-export interface RESTPostAPITemplateCreateGuildJSONBody {
+export type RESTPostAPITemplateCreateGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -19,7 +20,8 @@ export interface RESTPostAPITemplateCreateGuildJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	icon?: string;
-}
+}>;
+
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
@@ -33,7 +35,7 @@ export type RESTGetAPIGuildTemplatesResult = APITemplate[];
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
 */
-export interface RESTPostAPIGuildTemplatesJSONBody {
+export type RESTPostAPIGuildTemplatesJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the template (1-100 characters)
 	 */
@@ -42,7 +44,7 @@ export interface RESTPostAPIGuildTemplatesJSONBody {
 	 * Description for the template (0-120 characters)
 	 */
 	description?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
@@ -57,7 +59,7 @@ export type RESTPutAPIGuildTemplateSyncResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
 */
-export type RESTPatchAPIGuildTemplateJSONBody = Partial<RESTPostAPIGuildTemplatesJSONBody>;
+export type RESTPatchAPIGuildTemplateJSONBody = StrictPartial<RESTPostAPIGuildTemplatesJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
--- a/deno/rest/v8/user.ts
+++ b/deno/rest/v8/user.ts
@@ -1,5 +1,6 @@
 import type { Permissions, Snowflake } from '../../globals.ts';
 import type { APIChannel, APIConnection, APIGuildMember, APIUser, GuildFeature } from '../../payloads/v8/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/user#get-current-user
@@ -19,7 +20,7 @@ export type RESTGetCurrentUserGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
 */
-export interface RESTPatchAPICurrentUserJSONBody {
+export type RESTPatchAPICurrentUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * User's username, if changed may cause the user's discriminator to be randomized
 	 */
@@ -28,7 +29,7 @@ export interface RESTPatchAPICurrentUserJSONBody {
 	 * If passed, modifies the user's avatar
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
--- a/deno/rest/v8/webhook.ts
+++ b/deno/rest/v8/webhook.ts
@@ -7,12 +7,12 @@ import type {
 	APIWebhook,
 	APIAttachment,
 } from '../../payloads/v8/mod.ts';
-import type { Nullable } from '../../utils/internals.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, Nullable } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
 */
-export interface RESTPostAPIChannelWebhookJSONBody {
+export type RESTPostAPIChannelWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the webhook (1-80 characters)
 	 */
@@ -23,7 +23,7 @@ export interface RESTPostAPIChannelWebhookJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
@@ -53,7 +53,7 @@ export type RESTGetAPIWebhookWithTokenResult = Omit<APIWebhook, 'user'>;
 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
 */
-export interface RESTPatchAPIWebhookJSONBody {
+export type RESTPatchAPIWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The default name of the webhook
 	 */
@@ -68,7 +68,7 @@ export interface RESTPatchAPIWebhookJSONBody {
 	 * The new channel id this webhook should be moved to
 	 */
 	channel_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
@@ -98,7 +98,7 @@ export type RESTDeleteAPIWebhookWithTokenResult = never;
 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
 */
-export interface RESTPostAPIWebhookWithTokenJSONBody {
+export type RESTPostAPIWebhookWithTokenJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -139,7 +139,7 @@ export interface RESTPostAPIWebhookWithTokenJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
@@ -164,6 +164,10 @@ export interface RESTPostAPIWebhookWithTokenQuery {
 	 * @default false
 	 */
 	wait?: boolean;
+	/**
+	 * Send a message to the specified thread within a webhook's channel. The thread will automatically be unarchived.
+	 */
+	thread_id?: Snowflake;
 }

 /**
@@ -223,19 +227,18 @@ export type RESTGetAPIWebhookWithTokenMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
 */
-export interface RESTPatchAPIWebhookWithTokenMessageJSONBody
-	extends Nullable<
-		Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>
-	> {
-	/**
-	 * Attached files to keep
-	 *
-	 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
-	 *
-	 * See https://discord.com/developers/docs/resources/channel#attachment-object
-	 */
-	attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
-}
+export type RESTPatchAPIWebhookWithTokenMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Nullable<Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>> & {
+		/**
+		 * Attached files to keep
+		 *
+		 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
+		 *
+		 * See https://discord.com/developers/docs/resources/channel#attachment-object
+		 */
+		attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
+	}
+>;

 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
--- a/deno/rest/v9/channel.ts
+++ b/deno/rest/v9/channel.ts
@@ -20,6 +20,7 @@ import type {
 	ThreadAutoArchiveDuration,
 	VideoQualityMode,
 } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/channel#get-channel
@@ -29,7 +30,7 @@ export type RESTGetAPIChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
 */
-export interface RESTPatchAPIChannelJSONBody {
+export type RESTPatchAPIChannelJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * 1-100 character channel name
 	 *
@@ -136,7 +137,7 @@ export interface RESTPatchAPIChannelJSONBody {
 	 * Channel types: privateThread
 	 */
 	invitable?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
@@ -185,20 +186,21 @@ export type RESTGetAPIChannelMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/channel#message-object-message-reference-structure
 */
-export type APIMessageReferenceSend = Partial<APIMessageReference> &
-	Required<Pick<APIMessageReference, 'message_id'>> & {
+export type APIMessageReferenceSend = StrictPartial<APIMessageReference> &
+	Required<Pick<APIMessageReference, 'message_id'>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 		/**
 		 * Whether to error if the referenced message doesn't exist instead of sending as a normal (non-reply) message
 		 *
 		 * @default true
 		 */
 		fail_if_not_exists?: boolean;
-	};
+	}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
 */
-export interface RESTPostAPIChannelMessageJSONBody {
+export type RESTPostAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -252,7 +254,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
@@ -325,7 +327,7 @@ export type RESTDeleteAPIChannelMessageReactionResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
 */
-export interface RESTPatchAPIChannelMessageJSONBody {
+export type RESTPatchAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The new message contents (up to 2000 characters)
 	 */
@@ -372,7 +374,7 @@ export interface RESTPatchAPIChannelMessageJSONBody {
 	 * See https://discord.com/developers/docs/interactions/message-components#component-object
 	 */
 	components?: APIActionRowComponent[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
@@ -446,7 +448,7 @@ export type RESTGetAPIChannelInvitesResult = APIExtendedInvite[];
 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
 */
-export interface RESTPostAPIChannelInviteJSONBody {
+export type RESTPostAPIChannelInviteJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Duration of invite in seconds before expiry, or 0 for never
 	 *
@@ -490,7 +492,7 @@ export interface RESTPostAPIChannelInviteJSONBody {
 	 * - The application must have the `EMBEDDED` flag
 	 */
 	target_application_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
@@ -540,7 +542,7 @@ export type RESTDeleteAPIChannelPinResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
 */
-export interface RESTPutAPIChannelRecipientJSONBody {
+export type RESTPutAPIChannelRecipientJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Access token of a user that has granted your app the `gdm.join` scope
 	 */
@@ -549,7 +551,7 @@ export interface RESTPutAPIChannelRecipientJSONBody {
 	 * Nickname of the user being added
 	 */
 	nick?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
@@ -564,7 +566,7 @@ export type RESTDeleteAPIChannelRecipientResult = unknown;
 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-with-message
 */
-export interface RESTPostAPIChannelMessagesThreadsJSONBody {
+export type RESTPostAPIChannelMessagesThreadsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * 1-100 character thread name
 	 */
@@ -579,7 +581,7 @@ export interface RESTPostAPIChannelMessagesThreadsJSONBody {
 	 * Amount of seconds a user has to wait before sending another message (0-21600)
 	 */
 	rate_limit_per_user?: number;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-with-message
@@ -589,23 +591,24 @@ export type RESTPostAPIChannelMessagesThreadsResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-without-message
 */
-export interface RESTPostAPIChannelThreadsJSONBody extends RESTPostAPIChannelMessagesThreadsJSONBody {
-	/**
-	 * The type of thread to create
-	 *
-	 * In API v9, `type` defaults to `PRIVATE_THREAD`.
-	 * In API v10 this will be changed to be a required field, with no default.
-	 *
-	 * See https://discord.com/developers/docs/resources/channel#channel-object-channel-types
-	 *
-	 * @default 12
-	 */
-	type?: ChannelType.GuildNewsThread | ChannelType.GuildPublicThread | ChannelType.GuildPrivateThread;
-	/**
-	 * Whether non-moderators can add other non-moderators to the thread; only available when creating a private thread
-	 */
-	invitable?: boolean;
-}
+export type RESTPostAPIChannelThreadsJSONBody = RESTPostAPIChannelMessagesThreadsJSONBody &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * The type of thread to create
+		 *
+		 * In API v9, `type` defaults to `PRIVATE_THREAD`.
+		 * In API v10 this will be changed to be a required field, with no default.
+		 *
+		 * See https://discord.com/developers/docs/resources/channel#channel-object-channel-types
+		 *
+		 * @default 12
+		 */
+		type?: ChannelType.GuildNewsThread | ChannelType.GuildPublicThread | ChannelType.GuildPrivateThread;
+		/**
+		 * Whether non-moderators can add other non-moderators to the thread; only available when creating a private thread
+		 */
+		invitable?: boolean;
+	}>;

 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-without-message
--- a/deno/rest/v9/emoji.ts
+++ b/deno/rest/v9/emoji.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals.ts';
 import type { APIEmoji } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/emoji#list-guild-emojis
@@ -14,7 +15,7 @@ export type RESTGetAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji-json-params
 */
-export interface RESTPostAPIGuildEmojiJSONBody {
+export type RESTPostAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -29,7 +30,7 @@ export interface RESTPostAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji
@@ -39,7 +40,7 @@ export type RESTPostAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
 */
-export interface RESTPatchAPIGuildEmojiJSONBody {
+export type RESTPatchAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -48,7 +49,7 @@ export interface RESTPatchAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
--- a/deno/rest/v9/guild.ts
+++ b/deno/rest/v9/guild.ts
@@ -21,21 +21,27 @@ import type {
 	GuildVerificationLevel,
 	GuildWidgetStyle,
 } from '../../payloads/v9/mod.ts';
-import type { Nullable } from '../../utils/internals.ts';
+import type {
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface,
+	Nullable,
+	StrictPartial,
+	StrictRequired,
+} from '../../utils/internals.ts';
 import type { RESTPutAPIChannelPermissionJSONBody } from './channel.ts';

 export interface APIGuildCreateOverwrite extends RESTPutAPIChannelPermissionJSONBody {
 	id: number | string;
 }

-export type APIGuildCreatePartialChannel = Partial<
+export type APIGuildCreatePartialChannel = StrictPartial<
 	Pick<APIChannel, 'type' | 'topic' | 'nsfw' | 'bitrate' | 'user_limit' | 'rate_limit_per_user'>
-> & {
-	name: string;
-	id?: number | string;
-	parent_id?: number | string | null;
-	permission_overwrites?: APIGuildCreateOverwrite[];
-};
+> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		name: string;
+		id?: number | string;
+		parent_id?: number | string | null;
+		permission_overwrites?: APIGuildCreateOverwrite[];
+	}>;

 export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 	id: number | string;
@@ -44,7 +50,7 @@ export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
 */
-export interface RESTPostAPIGuildsJSONBody {
+export type RESTPostAPIGuildsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -127,7 +133,7 @@ export interface RESTPostAPIGuildsJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
@@ -159,7 +165,7 @@ export type RESTGetAPIGuildPreviewResult = APIGuildPreview;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
 */
-export interface RESTPatchAPIGuildJSONBody {
+export type RESTPatchAPIGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * New name for the guild (2-100 characters)
 	 */
@@ -258,7 +264,7 @@ export interface RESTPatchAPIGuildJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
@@ -288,24 +294,26 @@ export type RESTPostAPIGuildChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
 */
-export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<{
-	/**
-	 * Channel id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the channel
-	 */
-	position: number;
-	/**
-	 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
-	 */
-	lock_permissions?: boolean;
-	/**
-	 * The new parent id of this channel
-	 */
-	parent_id?: Snowflake | null;
-}>;
+export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Channel id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the channel
+		 */
+		position: number;
+		/**
+		 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
+		 */
+		lock_permissions?: boolean;
+		/**
+		 * The new parent id of this channel
+		 */
+		parent_id?: Snowflake | null;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
@@ -366,7 +374,7 @@ export type RESTGetAPIGuildMembersSearchResult = APIGuildMember[];
 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
 */
-export interface RESTPutAPIGuildMemberJSONBody {
+export type RESTPutAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * An oauth2 access token granted with the `guilds.join` to the bot's application for the user you want to add to the guild
 	 */
@@ -395,14 +403,14 @@ export interface RESTPutAPIGuildMemberJSONBody {
 	 * Requires `DEAFEN_MEMBERS` permission
 	 */
 	deaf?: boolean;
-}
+}>;

-export type RESTPutAPIGuildMemberResult = APIGuildMember | undefined;
+export type RESTPutAPIGuildMemberResult = APIGuildMember | never;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-member
 */
-export interface RESTPatchAPIGuildMemberJSONBody {
+export type RESTPatchAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
@@ -433,7 +441,7 @@ export interface RESTPatchAPIGuildMemberJSONBody {
 	 * Requires `MOVE_MEMBERS` permission
 	 */
 	channel_id?: Snowflake | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
@@ -443,19 +451,20 @@ export type RESTPatchAPIGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export interface RESTPatchAPICurrentGuildMemberNicknameJSONBody {
+export type RESTPatchAPICurrentGuildMemberNicknameJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
 	 * Requires `CHANGE_NICKNAME` permission
 	 */
 	nick?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export type RESTPatchAPICurrentGuildMemberNicknameResult = Required<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;
+export type RESTPatchAPICurrentGuildMemberNicknameResult =
+	StrictRequired<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member-role
@@ -485,7 +494,7 @@ export type RESTGetAPIGuildBanResult = APIBan;
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
 */
-export interface RESTPutAPIGuildBanJSONBody {
+export type RESTPutAPIGuildBanJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to delete messages for (0-7)
 	 */
@@ -494,7 +503,7 @@ export interface RESTPutAPIGuildBanJSONBody {
 	 * Reason for the ban
 	 */
 	reason?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
@@ -514,7 +523,7 @@ export type RESTGetAPIGuildRolesResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
 */
-export interface RESTPostAPIGuildRoleJSONBody {
+export type RESTPostAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 *
@@ -524,7 +533,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	/**
 	 * Bitwise value of the enabled/disabled permissions
 	 *
-	 * @default "default role permissions in guild"
+	 * @default "default role permissions in guild"
 	 */
 	permissions?: Permissions | null;
 	/**
@@ -553,7 +562,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	 * @default false
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
@@ -563,16 +572,18 @@ export type RESTPostAPIGuildRoleResult = APIRole;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
 */
-export type RESTPatchAPIGuildRolePositionsJSONBody = Array<{
-	/**
-	 * Role id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the role
-	 */
-	position?: number;
-}>;
+export type RESTPatchAPIGuildRolePositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Role id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the role
+		 */
+		position?: number;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
@@ -582,7 +593,7 @@ export type RESTPatchAPIGuildRolePositionsResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
 */
-export interface RESTPatchAPIGuildRoleJSONBody {
+export type RESTPatchAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 */
@@ -611,7 +622,7 @@ export interface RESTPatchAPIGuildRoleJSONBody {
 	 * Whether the role should be mentionable
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
@@ -654,7 +665,7 @@ export interface RESTGetAPIGuildPruneCountResult {
 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
 */
-export interface RESTPostAPIGuildPruneJSONBody {
+export type RESTPostAPIGuildPruneJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to count prune for (1 or more)
 	 *
@@ -671,7 +682,7 @@ export interface RESTPostAPIGuildPruneJSONBody {
 	 * Role(s) to include
 	 */
 	include_roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
@@ -708,7 +719,7 @@ export type RESTGetAPIGuildWidgetSettingsResult = APIGuildWidgetSettings;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
 */
-export type RESTPatchAPIGuildWidgetSettingsJSONBody = Partial<APIGuildWidgetSettings>;
+export type RESTPatchAPIGuildWidgetSettingsJSONBody = StrictPartial<APIGuildWidgetSettings>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
@@ -748,7 +759,7 @@ export type RESTGetAPIGuildWidgetImageResult = ArrayBuffer;

 export type RESTGetAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildMemberVerificationJSONBody {
+export type RESTPatchAPIGuildMemberVerificationJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Whether Membership Screening is enabled
 	 */
@@ -761,11 +772,11 @@ export interface RESTPatchAPIGuildMemberVerificationJSONBody {
 	 * The server description to show in the screening form
 	 */
 	description?: string | null;
-}
+}>;

 export type RESTPatchAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
+export type RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -778,9 +789,9 @@ export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
 	 * Sets the user's request to speak
 	 */
 	request_to_speak_timestamp?: string | null;
-}
+}>;

-export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
+export type RESTPatchAPIGuildVoiceStateUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -789,7 +800,7 @@ export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
 	 * Toggles the user's suppress state
 	 */
 	suppress?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#get-guild-welcome-screen
@@ -799,9 +810,10 @@ export type RESTGetAPIGuildWelcomeScreenResult = APIGuildWelcomeScreen;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-welcome-screen
 */
-export interface RESTPatchAPIGuildWelcomeScreenJSONBody extends Nullable<Partial<APIGuildWelcomeScreen>> {
-	/**
-	 * Whether the welcome screen is enabled
-	 */
-	enabled?: boolean | null;
-}
+export type RESTPatchAPIGuildWelcomeScreenJSONBody = Nullable<StrictPartial<APIGuildWelcomeScreen>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Whether the welcome screen is enabled
+		 */
+		enabled?: boolean | null;
+	}>;
--- a/deno/rest/v9/guildScheduledEvent.ts
+++ b/deno/rest/v9/guildScheduledEvent.ts
@@ -1,12 +1,12 @@
 import type { Snowflake } from '../../globals.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';
 import type {
 	APIGuildScheduledEvent,
 	GuildScheduledEventEntityType,
 	GuildScheduledEventPrivacyLevel,
 	APIGuildScheduledEventEntityMetadata,
 	GuildScheduledEventStatus,
-	APIGuildMember,
-	APIUser,
+	APIGuildScheduledEventUser,
 } from '../../v9.ts';

 /**
@@ -27,7 +27,7 @@ export type RESTGetAPIGuildScheduledEventsResult = APIGuildScheduledEvent[];
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
 */
-export interface RESTPostAPIGuildScheduledEventJSONBody {
+export type RESTPostAPIGuildScheduledEventJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The stage channel id of the guild event
 	 */
@@ -60,7 +60,7 @@ export interface RESTPostAPIGuildScheduledEventJSONBody {
 	 * The entity metadata of the scheduled event
 	 */
 	entity_metadata?: APIGuildScheduledEventEntityMetadata;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
@@ -85,12 +85,13 @@ export type RESTGetAPIGuildScheduledEventResult = APIGuildScheduledEvent;
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
 */
-export interface RESTPatchAPIGuildScheduledEventJSONBody extends Partial<RESTPostAPIGuildScheduledEventJSONBody> {
-	/**
-	 * The status of the scheduled event
-	 */
-	status?: GuildScheduledEventStatus;
-}
+export type RESTPatchAPIGuildScheduledEventJSONBody = StrictPartial<RESTPostAPIGuildScheduledEventJSONBody> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * The status of the scheduled event
+		 */
+		status?: GuildScheduledEventStatus;
+	}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
@@ -130,21 +131,3 @@ export interface RESTGetAPIGuildScheduledEventUsersQuery {
 * https://discord.com/developers/docs/resources/guild-scheduled-event#get-guild-scheduled-event-users
 */
 export type RESTGetAPIGuildScheduledEventUsersResult = APIGuildScheduledEventUser[];
-
-/**
- * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
- */
-export interface APIGuildScheduledEventUser {
-	/**
-	 * The scheduled event id which the user subscribed to
-	 */
-	guild_scheduled_event_id: Snowflake;
-	/**
-	 * The user which subscribed to the event
-	 */
-	user: APIUser;
-	/**
-	 * The guild member data for this user for the guild which this event belongs to, if any
-	 */
-	member?: APIGuildMember;
-}
--- a/deno/rest/v9/interactions.ts
+++ b/deno/rest/v9/interactions.ts
@@ -6,6 +6,7 @@ import type {
 	APIInteractionResponseCallbackData,
 	ApplicationCommandType,
 } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';
 import type {
 	RESTDeleteAPIWebhookWithTokenMessageResult,
 	RESTGetAPIWebhookWithTokenMessageResult,
@@ -25,22 +26,18 @@ export type RESTGetAPIApplicationCommandsResult = APIApplicationCommand[];
 */
 export type RESTGetAPIApplicationCommandResult = APIApplicationCommand;

-type RESTPostAPIBaseApplicationCommandsJSONBody = Omit<
-	APIApplicationCommand,
-	'id' | 'application_id' | 'description' | 'type' | 'version'
+type RESTPostAPIBaseApplicationCommandsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Omit<APIApplicationCommand, 'id' | 'application_id' | 'description' | 'type' | 'version' | 'guild_id'>
 >;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
 */
-export interface RESTPostAPIChatInputApplicationCommandsJSONBody extends RESTPostAPIBaseApplicationCommandsJSONBody {
-	type?: ApplicationCommandType.ChatInput;
-	/**
-	 * Whether this application command option should be autocompleted
-	 */
-	autocomplete?: boolean;
-	description: string;
-}
+export type RESTPostAPIChatInputApplicationCommandsJSONBody = RESTPostAPIBaseApplicationCommandsJSONBody &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		type?: ApplicationCommandType.ChatInput;
+		description: string;
+	}>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
@@ -64,7 +61,7 @@ export type RESTPostAPIApplicationCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
 */
-export type RESTPatchAPIApplicationCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
@@ -104,7 +101,7 @@ export type RESTPostAPIApplicationGuildCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
 */
-export type RESTPatchAPIApplicationGuildCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationGuildCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
--- a/deno/rest/v9/stageInstance.ts
+++ b/deno/rest/v9/stageInstance.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals.ts';
 import type { APIStageInstance, StageInstancePrivacyLevel } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/stage-instance#create-stage-instance
@@ -34,7 +35,7 @@ export type RESTGetAPIStageInstanceResult = APIStageInstance;
 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
 */
-export interface RESTPatchAPIStageInstanceJSONBody {
+export type RESTPatchAPIStageInstanceJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The topic of the stage instance (1-120 characters)
 	 */
@@ -43,7 +44,7 @@ export interface RESTPatchAPIStageInstanceJSONBody {
 	 * The privacy level of the stage instance
 	 */
 	privacy_level?: StageInstancePrivacyLevel;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
--- a/deno/rest/v9/sticker.ts
+++ b/deno/rest/v9/sticker.ts
@@ -1,4 +1,5 @@
 import type { APISticker, APIStickerPack } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 export type RESTGetAPIStickerResult = APISticker;

@@ -31,7 +32,7 @@ export interface RESTPostAPIGuildStickerFormDataBody {

 export type RESTPostAPIGuildStickerResult = APISticker;

-export interface RESTPatchAPIGuildStickerJSONBody {
+export type RESTPatchAPIGuildStickerJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the sticker (2-30 characters)
 	 */
@@ -44,7 +45,7 @@ export interface RESTPatchAPIGuildStickerJSONBody {
 	 * The Discord name of a unicode emoji representing the sticker's expression (2-200 characters)
 	 */
 	tags?: string;
-}
+}>;

 export type RESTPatchAPIGuildStickerResult = APISticker;

--- a/deno/rest/v9/template.ts
+++ b/deno/rest/v9/template.ts
@@ -1,4 +1,5 @@
 import type { APIGuild, APITemplate } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/template#get-template
@@ -8,7 +9,7 @@ export type RESTGetAPITemplateResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
-export interface RESTPostAPITemplateCreateGuildJSONBody {
+export type RESTPostAPITemplateCreateGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -19,7 +20,8 @@ export interface RESTPostAPITemplateCreateGuildJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	icon?: string;
-}
+}>;
+
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
@@ -33,7 +35,7 @@ export type RESTGetAPIGuildTemplatesResult = APITemplate[];
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
 */
-export interface RESTPostAPIGuildTemplatesJSONBody {
+export type RESTPostAPIGuildTemplatesJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the template (1-100 characters)
 	 */
@@ -42,7 +44,7 @@ export interface RESTPostAPIGuildTemplatesJSONBody {
 	 * Description for the template (0-120 characters)
 	 */
 	description?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
@@ -57,7 +59,7 @@ export type RESTPutAPIGuildTemplateSyncResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
 */
-export type RESTPatchAPIGuildTemplateJSONBody = Partial<RESTPostAPIGuildTemplatesJSONBody>;
+export type RESTPatchAPIGuildTemplateJSONBody = StrictPartial<RESTPostAPIGuildTemplatesJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
--- a/deno/rest/v9/user.ts
+++ b/deno/rest/v9/user.ts
@@ -1,5 +1,6 @@
 import type { Permissions, Snowflake } from '../../globals.ts';
 import type { APIChannel, APIConnection, APIGuildMember, APIUser, GuildFeature } from '../../payloads/v9/mod.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/user#get-current-user
@@ -19,7 +20,7 @@ export type RESTGetCurrentUserGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
 */
-export interface RESTPatchAPICurrentUserJSONBody {
+export type RESTPatchAPICurrentUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * User's username, if changed may cause the user's discriminator to be randomized
 	 */
@@ -28,7 +29,7 @@ export interface RESTPatchAPICurrentUserJSONBody {
 	 * If passed, modifies the user's avatar
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
--- a/deno/rest/v9/webhook.ts
+++ b/deno/rest/v9/webhook.ts
@@ -7,12 +7,12 @@ import type {
 	APIWebhook,
 	APIAttachment,
 } from '../../payloads/v9/mod.ts';
-import type { Nullable } from '../../utils/internals.ts';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, Nullable } from '../../utils/internals.ts';

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
 */
-export interface RESTPostAPIChannelWebhookJSONBody {
+export type RESTPostAPIChannelWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the webhook (1-80 characters)
 	 */
@@ -23,7 +23,7 @@ export interface RESTPostAPIChannelWebhookJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
@@ -53,7 +53,7 @@ export type RESTGetAPIWebhookWithTokenResult = Omit<APIWebhook, 'user'>;
 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
 */
-export interface RESTPatchAPIWebhookJSONBody {
+export type RESTPatchAPIWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The default name of the webhook
 	 */
@@ -68,7 +68,7 @@ export interface RESTPatchAPIWebhookJSONBody {
 	 * The new channel id this webhook should be moved to
 	 */
 	channel_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
@@ -98,7 +98,7 @@ export type RESTDeleteAPIWebhookWithTokenResult = never;
 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
 */
-export interface RESTPostAPIWebhookWithTokenJSONBody {
+export type RESTPostAPIWebhookWithTokenJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -139,7 +139,7 @@ export interface RESTPostAPIWebhookWithTokenJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
@@ -227,19 +227,18 @@ export type RESTGetAPIWebhookWithTokenMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
 */
-export interface RESTPatchAPIWebhookWithTokenMessageJSONBody
-	extends Nullable<
-		Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>
-	> {
-	/**
-	 * Attached files to keep
-	 *
-	 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
-	 *
-	 * See https://discord.com/developers/docs/resources/channel#attachment-object
-	 */
-	attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
-}
+export type RESTPatchAPIWebhookWithTokenMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Nullable<Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>> & {
+		/**
+		 * Attached files to keep
+		 *
+		 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
+		 *
+		 * See https://discord.com/developers/docs/resources/channel#attachment-object
+		 */
+		attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
+	}
+>;

 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
--- a/deno/utils/internals.ts
+++ b/deno/utils/internals.ts
@@ -1,3 +1,15 @@
 export type Nullable<T> = {
 	[P in keyof T]: T[P] | null;
 };
+
+/**
+ * Allows support for TS 4.5's `exactOptionalPropertyTypes` option by ensuring a property present and undefined is valid
+ * (since JSON.stringify ignores undefined properties)
+ */
+export type AddUndefinedToPossiblyUndefinedPropertiesOfInterface<Base> = {
+	[K in keyof Base]: Base[K] extends Exclude<Base[K], undefined> ? Base[K] : Base[K] | undefined;
+};
+
+export type StrictPartial<Base> = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<Partial<Base>>;
+
+export type StrictRequired<Base> = Required<{ [K in keyof Base]: Exclude<Base[K], undefined> }>;
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -2,8 +2,6 @@
 	"name": "discord-api-types",
 	"version": "0.25.2",
 	"description": "Discord API typings that are kept up to date for use in bot library creation.",
-	"main": "./v9.js",
-	"module": "./v9.mjs",
 	"types": "./v9.d.ts",
 	"exports": {
 		"./globals": {
@@ -112,29 +110,29 @@
 		"node": ">=12"
 	},
 	"devDependencies": {
-		"@babel/core": "^7.14.6",
-		"@babel/eslint-parser": "^7.14.7",
+		"@babel/core": "^7.16.5",
+		"@babel/eslint-parser": "^7.16.5",
 		"@babel/plugin-syntax-top-level-await": "^7.14.5",
-		"@commitlint/cli": "^12.1.4",
-		"@commitlint/config-angular": "^12.1.4",
-		"@types/node": "^16.3.3",
-		"@typescript-eslint/eslint-plugin": "^4.28.3",
-		"@typescript-eslint/parser": "^4.28.3",
+		"@commitlint/cli": "^15.0.0",
+		"@commitlint/config-angular": "^15.0.0",
+		"@types/node": "^17.0.4",
+		"@typescript-eslint/eslint-plugin": "^5.8.0",
+		"@typescript-eslint/parser": "^5.8.0",
 		"conventional-changelog-cli": "^2.1.1",
-		"eslint": "^7.30.0",
-		"eslint-config-marine": "^9.0.6",
+		"eslint": "^8.5.0",
+		"eslint-config-marine": "^9.1.0",
 		"eslint-config-prettier": "^8.3.0",
-		"eslint-plugin-prettier": "^3.4.0",
-		"gen-esm-wrapper": "^1.1.2",
-		"husky": "^7.0.1",
-		"is-ci": "^3.0.0",
-		"lint-staged": "^11.0.1",
+		"eslint-plugin-prettier": "^4.0.0",
+		"gen-esm-wrapper": "^1.1.3",
+		"husky": "^7.0.4",
+		"is-ci": "^3.0.1",
+		"lint-staged": "^12.1.4",
 		"npm-run-all": "^4.1.5",
-		"prettier": "^2.3.2",
-		"pretty-quick": "^3.1.1",
+		"prettier": "^2.5.1",
+		"pretty-quick": "^3.1.3",
 		"rimraf": "^3.0.2",
-		"tsd": "^0.17.0",
-		"typescript": "^4.3.5"
+		"tsd": "^0.19.0",
+		"typescript": "^4.5.4"
 	},
 	"repository": {
 		"type": "git",
--- a/payloads/v6/auditLog.ts
+++ b/payloads/v6/auditLog.ts
@@ -540,7 +540,7 @@ export type APIAuditLogChangeKeyExpireGracePeriod = AuditLogChangeData<'expire_g
 * @internal
 * @deprecated API and Gateway v6 are deprecated and the types will not receive further updates, please update to v8.
 */
-interface AuditLogChangeData<K extends string, D extends unknown> {
+interface AuditLogChangeData<K extends string, D> {
 	key: K;
 	new_value?: D;
 	old_value?: D;
--- a/payloads/v8/_interactions/base.ts
+++ b/payloads/v8/_interactions/base.ts
@@ -39,7 +39,7 @@ export interface APIInteractionGuildMember extends APIGuildMember {
 /**
 * https://discord.com/developers/docs/interactions/receiving-and-responding#interaction-object
 */
-export interface APIBaseInteraction<Type extends InteractionType, Data extends unknown> {
+export interface APIBaseInteraction<Type extends InteractionType, Data> {
 	/**
 	 * ID of the interaction
 	 */
--- a/payloads/v8/auditLog.ts
+++ b/payloads/v8/auditLog.ts
@@ -644,7 +644,7 @@ export type APIAuditLogChangeKeyStatus = AuditLogChangeData<'status', GuildSched
 */
 export type APIAuditLogChangeKeyLocation = AuditLogChangeData<'location', string>;

-interface AuditLogChangeData<K extends string, D extends unknown> {
+interface AuditLogChangeData<K extends string, D> {
 	key: K;
 	/**
 	 * The new value
--- a/payloads/v8/guildScheduledEvent.ts
+++ b/payloads/v8/guildScheduledEvent.ts
@@ -1,4 +1,5 @@
 import type { APIUser } from './user';
+import type { APIGuildMember } from './guild';
 import type { Snowflake } from '../../globals';

 export interface APIGuildScheduledEvent {
@@ -102,3 +103,21 @@ export const enum GuildScheduledEventPrivacyLevel {
 	 */
 	GuildOnly = 2,
 }
+
+/**
+ * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
+ */
+export interface APIGuildScheduledEventUser {
+	/**
+	 * The scheduled event id which the user subscribed to
+	 */
+	guild_scheduled_event_id: Snowflake;
+	/**
+	 * The user which subscribed to the event
+	 */
+	user: APIUser;
+	/**
+	 * The guild member data for this user for the guild which this event belongs to, if any
+	 */
+	member?: APIGuildMember;
+}
--- a/payloads/v9/_interactions/base.ts
+++ b/payloads/v9/_interactions/base.ts
@@ -39,7 +39,7 @@ export interface APIInteractionGuildMember extends APIGuildMember {
 /**
 * https://discord.com/developers/docs/interactions/receiving-and-responding#interaction-object
 */
-export interface APIBaseInteraction<Type extends InteractionType, Data extends unknown> {
+export interface APIBaseInteraction<Type extends InteractionType, Data> {
 	/**
 	 * ID of the interaction
 	 */
--- a/payloads/v9/auditLog.ts
+++ b/payloads/v9/auditLog.ts
@@ -683,7 +683,7 @@ export type APIAuditLogChangeKeyStatus = AuditLogChangeData<'status', GuildSched
 */
 export type APIAuditLogChangeKeyLocation = AuditLogChangeData<'location', string>;

-interface AuditLogChangeData<K extends string, D extends unknown> {
+interface AuditLogChangeData<K extends string, D> {
 	key: K;
 	/**
 	 * The new value
--- a/payloads/v9/guildScheduledEvent.ts
+++ b/payloads/v9/guildScheduledEvent.ts
@@ -1,4 +1,5 @@
 import type { APIUser } from './user';
+import type { APIGuildMember } from './guild';
 import type { Snowflake } from '../../globals';

 export interface APIGuildScheduledEvent {
@@ -102,3 +103,21 @@ export const enum GuildScheduledEventPrivacyLevel {
 	 */
 	GuildOnly = 2,
 }
+
+/**
+ * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
+ */
+export interface APIGuildScheduledEventUser {
+	/**
+	 * The scheduled event id which the user subscribed to
+	 */
+	guild_scheduled_event_id: Snowflake;
+	/**
+	 * The user which subscribed to the event
+	 */
+	user: APIUser;
+	/**
+	 * The guild member data for this user for the guild which this event belongs to, if any
+	 */
+	member?: APIGuildMember;
+}
--- a/rest/v8/channel.ts
+++ b/rest/v8/channel.ts
@@ -17,6 +17,7 @@ import type {
 	OverwriteType,
 	VideoQualityMode,
 } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/channel#get-channel
@@ -26,7 +27,7 @@ export type RESTGetAPIChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
 */
-export interface RESTPatchAPIChannelJSONBody {
+export type RESTPatchAPIChannelJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * 1-100 character channel name
 	 *
@@ -103,7 +104,7 @@ export interface RESTPatchAPIChannelJSONBody {
 	 * See https://discord.com/developers/docs/resources/channel#channel-object-video-quality-modes
 	 */
 	video_quality_mode?: VideoQualityMode | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
@@ -152,20 +153,21 @@ export type RESTGetAPIChannelMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/channel#message-object-message-reference-structure
 */
-export type APIMessageReferenceSend = Partial<APIMessageReference> &
-	Required<Pick<APIMessageReference, 'message_id'>> & {
+export type APIMessageReferenceSend = StrictPartial<APIMessageReference> &
+	Required<Pick<APIMessageReference, 'message_id'>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 		/**
 		 * Whether to error if the referenced message doesn't exist instead of sending as a normal (non-reply) message
 		 *
 		 * @default true
 		 */
 		fail_if_not_exists?: boolean;
-	};
+	}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
 */
-export interface RESTPostAPIChannelMessageJSONBody {
+export type RESTPostAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -188,6 +190,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	 * Embedded `rich` content
 	 *
 	 * See https://discord.com/developers/docs/resources/channel#embed-object
+	 * @deprecated Use `embeds` instead
 	 */
 	embed?: APIEmbed;
 	/**
@@ -218,7 +221,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
@@ -291,7 +294,7 @@ export type RESTDeleteAPIChannelMessageReactionResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
 */
-export interface RESTPatchAPIChannelMessageJSONBody {
+export type RESTPatchAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The new message contents (up to 2000 characters)
 	 */
@@ -338,7 +341,7 @@ export interface RESTPatchAPIChannelMessageJSONBody {
 	 * See https://discord.com/developers/docs/interactions/message-components#component-object
 	 */
 	components?: APIActionRowComponent[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
@@ -351,6 +354,7 @@ export type RESTPatchAPIChannelMessageFormDataBody =
 			payload_json?: string;
 	  } & Record<`files[${bigint}]`, unknown>)
 	| (RESTPatchAPIChannelMessageJSONBody & Record<`files[${bigint}]`, unknown>);
+
 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
 */
@@ -411,7 +415,7 @@ export type RESTGetAPIChannelInvitesResult = APIExtendedInvite[];
 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
 */
-export interface RESTPostAPIChannelInviteJSONBody {
+export type RESTPostAPIChannelInviteJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Duration of invite in seconds before expiry, or 0 for never
 	 *
@@ -455,7 +459,7 @@ export interface RESTPostAPIChannelInviteJSONBody {
 	 * - The application must have the `EMBEDDED` flag
 	 */
 	target_application_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
@@ -505,7 +509,7 @@ export type RESTDeleteAPIChannelPinResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
 */
-export interface RESTPutAPIChannelRecipientJSONBody {
+export type RESTPutAPIChannelRecipientJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Access token of a user that has granted your app the `gdm.join` scope
 	 */
@@ -514,7 +518,7 @@ export interface RESTPutAPIChannelRecipientJSONBody {
 	 * Nickname of the user being added
 	 */
 	nick?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
--- a/rest/v8/emoji.ts
+++ b/rest/v8/emoji.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals';
 import type { APIEmoji } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/emoji#list-guild-emojis
@@ -14,7 +15,7 @@ export type RESTGetAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji-json-params
 */
-export interface RESTPostAPIGuildEmojiJSONBody {
+export type RESTPostAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -29,7 +30,7 @@ export interface RESTPostAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji
@@ -39,7 +40,7 @@ export type RESTPostAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
 */
-export interface RESTPatchAPIGuildEmojiJSONBody {
+export type RESTPatchAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -48,7 +49,7 @@ export interface RESTPatchAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
--- a/rest/v8/guild.ts
+++ b/rest/v8/guild.ts
@@ -20,21 +20,27 @@ import type {
 	GuildVerificationLevel,
 	GuildWidgetStyle,
 } from '../../payloads/v8/index';
-import type { Nullable } from '../../utils/internals';
+import type {
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface,
+	Nullable,
+	StrictPartial,
+	StrictRequired,
+} from '../../utils/internals';
 import type { RESTPutAPIChannelPermissionJSONBody } from './channel';

 export interface APIGuildCreateOverwrite extends RESTPutAPIChannelPermissionJSONBody {
 	id: number | string;
 }

-export type APIGuildCreatePartialChannel = Partial<
+export type APIGuildCreatePartialChannel = StrictPartial<
 	Pick<APIChannel, 'type' | 'topic' | 'nsfw' | 'bitrate' | 'user_limit' | 'rate_limit_per_user'>
-> & {
-	name: string;
-	id?: number | string;
-	parent_id?: number | string | null;
-	permission_overwrites?: APIGuildCreateOverwrite[];
-};
+> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		name: string;
+		id?: number | string;
+		parent_id?: number | string | null;
+		permission_overwrites?: APIGuildCreateOverwrite[];
+	}>;

 export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 	id: number | string;
@@ -43,7 +49,7 @@ export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
 */
-export interface RESTPostAPIGuildsJSONBody {
+export type RESTPostAPIGuildsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -126,7 +132,7 @@ export interface RESTPostAPIGuildsJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
@@ -158,7 +164,7 @@ export type RESTGetAPIGuildPreviewResult = APIGuildPreview;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
 */
-export interface RESTPatchAPIGuildJSONBody {
+export type RESTPatchAPIGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * New name for the guild (2-100 characters)
 	 */
@@ -257,7 +263,7 @@ export interface RESTPatchAPIGuildJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
@@ -287,24 +293,26 @@ export type RESTPostAPIGuildChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
 */
-export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<{
-	/**
-	 * Channel id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the channel
-	 */
-	position: number;
-	/**
-	 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
-	 */
-	lock_permissions?: boolean;
-	/**
-	 * The new parent id of this channel
-	 */
-	parent_id?: Snowflake | null;
-}>;
+export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Channel id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the channel
+		 */
+		position: number;
+		/**
+		 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
+		 */
+		lock_permissions?: boolean;
+		/**
+		 * The new parent id of this channel
+		 */
+		parent_id?: Snowflake | null;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
@@ -360,7 +368,7 @@ export type RESTGetAPIGuildMembersSearchResult = APIGuildMember[];
 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
 */
-export interface RESTPutAPIGuildMemberJSONBody {
+export type RESTPutAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * An oauth2 access token granted with the `guilds.join` to the bot's application for the user you want to add to the guild
 	 */
@@ -389,14 +397,14 @@ export interface RESTPutAPIGuildMemberJSONBody {
 	 * Requires `DEAFEN_MEMBERS` permission
 	 */
 	deaf?: boolean;
-}
+}>;

-export type RESTPutAPIGuildMemberResult = APIGuildMember | undefined;
+export type RESTPutAPIGuildMemberResult = APIGuildMember | never;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-member
 */
-export interface RESTPatchAPIGuildMemberJSONBody {
+export type RESTPatchAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
@@ -427,7 +435,7 @@ export interface RESTPatchAPIGuildMemberJSONBody {
 	 * Requires `MOVE_MEMBERS` permission
 	 */
 	channel_id?: Snowflake | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
@@ -437,19 +445,20 @@ export type RESTPatchAPIGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export interface RESTPatchAPICurrentGuildMemberNicknameJSONBody {
+export type RESTPatchAPICurrentGuildMemberNicknameJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
 	 * Requires `CHANGE_NICKNAME` permission
 	 */
 	nick?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export type RESTPatchAPICurrentGuildMemberNicknameResult = Required<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;
+export type RESTPatchAPICurrentGuildMemberNicknameResult =
+	StrictRequired<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member-role
@@ -479,7 +488,7 @@ export type RESTGetAPIGuildBanResult = APIBan;
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
 */
-export interface RESTPutAPIGuildBanJSONBody {
+export type RESTPutAPIGuildBanJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to delete messages for (0-7)
 	 */
@@ -488,7 +497,7 @@ export interface RESTPutAPIGuildBanJSONBody {
 	 * Reason for the ban
 	 */
 	reason?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
@@ -508,7 +517,7 @@ export type RESTGetAPIGuildRolesResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
 */
-export interface RESTPostAPIGuildRoleJSONBody {
+export type RESTPostAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 *
@@ -518,7 +527,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	/**
 	 * Bitwise value of the enabled/disabled permissions
 	 *
-	 * @default "default role permissions in guild"
+	 * @default "default role permissions in guild"
 	 */
 	permissions?: Permissions | null;
 	/**
@@ -547,7 +556,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	 * @default false
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
@@ -557,16 +566,18 @@ export type RESTPostAPIGuildRoleResult = APIRole;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
 */
-export type RESTPatchAPIGuildRolePositionsJSONBody = Array<{
-	/**
-	 * Role id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the role
-	 */
-	position?: number;
-}>;
+export type RESTPatchAPIGuildRolePositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Role id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the role
+		 */
+		position?: number;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
@@ -576,7 +587,7 @@ export type RESTPatchAPIGuildRolePositionsResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
 */
-export interface RESTPatchAPIGuildRoleJSONBody {
+export type RESTPatchAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 */
@@ -605,7 +616,7 @@ export interface RESTPatchAPIGuildRoleJSONBody {
 	 * Whether the role should be mentionable
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
@@ -648,7 +659,7 @@ export interface RESTGetAPIGuildPruneCountResult {
 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
 */
-export interface RESTPostAPIGuildPruneJSONBody {
+export type RESTPostAPIGuildPruneJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to count prune for (1 or more)
 	 *
@@ -665,7 +676,7 @@ export interface RESTPostAPIGuildPruneJSONBody {
 	 * Role(s) to include
 	 */
 	include_roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
@@ -702,7 +713,7 @@ export type RESTGetAPIGuildWidgetSettingsResult = APIGuildWidgetSettings;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
 */
-export type RESTPatchAPIGuildWidgetSettingsJSONBody = Partial<APIGuildWidgetSettings>;
+export type RESTPatchAPIGuildWidgetSettingsJSONBody = StrictPartial<APIGuildWidgetSettings>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
@@ -742,7 +753,7 @@ export type RESTGetAPIGuildWidgetImageResult = ArrayBuffer;

 export type RESTGetAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildMemberVerificationJSONBody {
+export type RESTPatchAPIGuildMemberVerificationJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Whether Membership Screening is enabled
 	 */
@@ -755,11 +766,11 @@ export interface RESTPatchAPIGuildMemberVerificationJSONBody {
 	 * The server description to show in the screening form
 	 */
 	description?: string | null;
-}
+}>;

 export type RESTPatchAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
+export type RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -772,9 +783,9 @@ export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
 	 * Sets the user's request to speak
 	 */
 	request_to_speak_timestamp?: string | null;
-}
+}>;

-export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
+export type RESTPatchAPIGuildVoiceStateUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -783,7 +794,7 @@ export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
 	 * Toggles the user's suppress state
 	 */
 	suppress?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#get-guild-welcome-screen
@@ -793,9 +804,10 @@ export type RESTGetAPIGuildWelcomeScreenResult = APIGuildWelcomeScreen;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-welcome-screen
 */
-export interface RESTPatchAPIGuildWelcomeScreenJSONBody extends Nullable<Partial<APIGuildWelcomeScreen>> {
-	/**
-	 * Whether the welcome screen is enabled
-	 */
-	enabled?: boolean | null;
-}
+export type RESTPatchAPIGuildWelcomeScreenJSONBody = Nullable<StrictPartial<APIGuildWelcomeScreen>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Whether the welcome screen is enabled
+		 */
+		enabled?: boolean | null;
+	}>;
--- a/rest/v8/guildScheduledEvent.ts
+++ b/rest/v8/guildScheduledEvent.ts
@@ -1,12 +1,12 @@
 import type { Snowflake } from '../../globals';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';
 import type {
 	APIGuildScheduledEvent,
 	GuildScheduledEventEntityType,
 	GuildScheduledEventPrivacyLevel,
 	APIGuildScheduledEventEntityMetadata,
 	GuildScheduledEventStatus,
-	APIGuildMember,
-	APIUser,
+	APIGuildScheduledEventUser,
 } from '../../v8';

 /**
@@ -27,7 +27,7 @@ export type RESTGetAPIGuildScheduledEventsResult = APIGuildScheduledEvent[];
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
 */
-export interface RESTPostAPIGuildScheduledEventJSONBody {
+export type RESTPostAPIGuildScheduledEventJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The stage channel id of the guild event
 	 */
@@ -60,7 +60,7 @@ export interface RESTPostAPIGuildScheduledEventJSONBody {
 	 * The entity metadata of the scheduled event
 	 */
 	entity_metadata?: APIGuildScheduledEventEntityMetadata;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
@@ -85,12 +85,13 @@ export type RESTGetAPIGuildScheduledEventResult = APIGuildScheduledEvent;
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
 */
-export interface RESTPatchAPIGuildScheduledEventJSONBody extends Partial<RESTPostAPIGuildScheduledEventJSONBody> {
-	/**
-	 * The status of the scheduled event
-	 */
-	status?: GuildScheduledEventStatus;
-}
+export type RESTPatchAPIGuildScheduledEventJSONBody = StrictPartial<RESTPostAPIGuildScheduledEventJSONBody> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * The status of the scheduled event
+		 */
+		status?: GuildScheduledEventStatus;
+	}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
@@ -130,21 +131,3 @@ export interface RESTGetAPIGuildScheduledEventUsersQuery {
 * https://discord.com/developers/docs/resources/guild-scheduled-event#get-guild-scheduled-event-users
 */
 export type RESTGetAPIGuildScheduledEventUsersResult = APIGuildScheduledEventUser[];
-
-/**
- * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
- */
-export interface APIGuildScheduledEventUser {
-	/**
-	 * The scheduled event id which the user subscribed to
-	 */
-	guild_scheduled_event_id: Snowflake;
-	/**
-	 * The user which subscribed to the event
-	 */
-	user: APIUser;
-	/**
-	 * The guild member data for this user for the guild which this event belongs to, if any
-	 */
-	member?: APIGuildMember;
-}
--- a/rest/v8/index.ts
+++ b/rest/v8/index.ts
@@ -798,27 +798,3 @@ export const OAuth2Routes = {

 // Freeze OAuth2 route object
 Object.freeze(OAuth2Routes);
-
-export interface DiscordErrorFieldInformation {
-	code: string;
-	message: string;
-}
-
-export interface DiscordErrorGroupWrapper {
-	_errors: DiscordError[];
-}
-
-export type DiscordErrorData =
-	| DiscordErrorGroupWrapper
-	| DiscordErrorFieldInformation
-	| { [k: string]: DiscordErrorData }
-	| string;
-
-/**
- * https://discord.com/developers/docs/reference#error-messages
- */
-export interface DiscordError {
-	code: number;
-	message: string;
-	errors?: DiscordErrorData;
-}
--- a/rest/v8/interactions.ts
+++ b/rest/v8/interactions.ts
@@ -6,6 +6,7 @@ import type {
 	APIInteractionResponseCallbackData,
 	ApplicationCommandType,
 } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';
 import type {
 	RESTDeleteAPIWebhookWithTokenMessageResult,
 	RESTGetAPIWebhookWithTokenMessageResult,
@@ -25,22 +26,18 @@ export type RESTGetAPIApplicationCommandsResult = APIApplicationCommand[];
 */
 export type RESTGetAPIApplicationCommandResult = APIApplicationCommand;

-type RESTPostAPIBaseApplicationCommandsJSONBody = Omit<
-	APIApplicationCommand,
-	'id' | 'application_id' | 'description' | 'type' | 'version'
+type RESTPostAPIBaseApplicationCommandsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Omit<APIApplicationCommand, 'id' | 'application_id' | 'description' | 'type' | 'version' | 'guild_id'>
 >;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
 */
-export interface RESTPostAPIChatInputApplicationCommandsJSONBody extends RESTPostAPIBaseApplicationCommandsJSONBody {
-	type?: ApplicationCommandType.ChatInput;
-	/**
-	 * Whether this application command option should be autocompleted
-	 */
-	autocomplete?: boolean;
-	description: string;
-}
+export type RESTPostAPIChatInputApplicationCommandsJSONBody = RESTPostAPIBaseApplicationCommandsJSONBody &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		type?: ApplicationCommandType.ChatInput;
+		description: string;
+	}>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
@@ -64,7 +61,7 @@ export type RESTPostAPIApplicationCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
 */
-export type RESTPatchAPIApplicationCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
@@ -104,7 +101,7 @@ export type RESTPostAPIApplicationGuildCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
 */
-export type RESTPatchAPIApplicationGuildCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationGuildCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
--- a/rest/v8/stageInstance.ts
+++ b/rest/v8/stageInstance.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals';
 import type { APIStageInstance, StageInstancePrivacyLevel } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/stage-instance#create-stage-instance
@@ -34,7 +35,7 @@ export type RESTGetAPIStageInstanceResult = APIStageInstance;
 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
 */
-export interface RESTPatchAPIStageInstanceJSONBody {
+export type RESTPatchAPIStageInstanceJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The topic of the stage instance (1-120 characters)
 	 */
@@ -43,7 +44,7 @@ export interface RESTPatchAPIStageInstanceJSONBody {
 	 * The privacy level of the stage instance
 	 */
 	privacy_level?: StageInstancePrivacyLevel;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
--- a/rest/v8/sticker.ts
+++ b/rest/v8/sticker.ts
@@ -1,4 +1,5 @@
 import type { APISticker, APIStickerPack } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 export type RESTGetAPIStickerResult = APISticker;

@@ -31,7 +32,7 @@ export interface RESTPostAPIGuildStickerFormDataBody {

 export type RESTPostAPIGuildStickerResult = APISticker;

-export interface RESTPatchAPIGuildStickerJSONBody {
+export type RESTPatchAPIGuildStickerJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the sticker (2-30 characters)
 	 */
@@ -44,7 +45,7 @@ export interface RESTPatchAPIGuildStickerJSONBody {
 	 * The Discord name of a unicode emoji representing the sticker's expression (2-200 characters)
 	 */
 	tags?: string;
-}
+}>;

 export type RESTPatchAPIGuildStickerResult = APISticker;

--- a/rest/v8/template.ts
+++ b/rest/v8/template.ts
@@ -1,4 +1,5 @@
 import type { APIGuild, APITemplate } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/template#get-template
@@ -8,7 +9,7 @@ export type RESTGetAPITemplateResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
-export interface RESTPostAPITemplateCreateGuildJSONBody {
+export type RESTPostAPITemplateCreateGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -19,7 +20,8 @@ export interface RESTPostAPITemplateCreateGuildJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	icon?: string;
-}
+}>;
+
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
@@ -33,7 +35,7 @@ export type RESTGetAPIGuildTemplatesResult = APITemplate[];
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
 */
-export interface RESTPostAPIGuildTemplatesJSONBody {
+export type RESTPostAPIGuildTemplatesJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the template (1-100 characters)
 	 */
@@ -42,7 +44,7 @@ export interface RESTPostAPIGuildTemplatesJSONBody {
 	 * Description for the template (0-120 characters)
 	 */
 	description?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
@@ -57,7 +59,7 @@ export type RESTPutAPIGuildTemplateSyncResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
 */
-export type RESTPatchAPIGuildTemplateJSONBody = Partial<RESTPostAPIGuildTemplatesJSONBody>;
+export type RESTPatchAPIGuildTemplateJSONBody = StrictPartial<RESTPostAPIGuildTemplatesJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
--- a/rest/v8/user.ts
+++ b/rest/v8/user.ts
@@ -1,5 +1,6 @@
 import type { Permissions, Snowflake } from '../../globals';
 import type { APIChannel, APIConnection, APIGuildMember, APIUser, GuildFeature } from '../../payloads/v8/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/user#get-current-user
@@ -19,7 +20,7 @@ export type RESTGetCurrentUserGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
 */
-export interface RESTPatchAPICurrentUserJSONBody {
+export type RESTPatchAPICurrentUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * User's username, if changed may cause the user's discriminator to be randomized
 	 */
@@ -28,7 +29,7 @@ export interface RESTPatchAPICurrentUserJSONBody {
 	 * If passed, modifies the user's avatar
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
--- a/rest/v8/webhook.ts
+++ b/rest/v8/webhook.ts
@@ -7,12 +7,12 @@ import type {
 	APIWebhook,
 	APIAttachment,
 } from '../../payloads/v8/index';
-import type { Nullable } from '../../utils/internals';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, Nullable } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
 */
-export interface RESTPostAPIChannelWebhookJSONBody {
+export type RESTPostAPIChannelWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the webhook (1-80 characters)
 	 */
@@ -23,7 +23,7 @@ export interface RESTPostAPIChannelWebhookJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
@@ -53,7 +53,7 @@ export type RESTGetAPIWebhookWithTokenResult = Omit<APIWebhook, 'user'>;
 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
 */
-export interface RESTPatchAPIWebhookJSONBody {
+export type RESTPatchAPIWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The default name of the webhook
 	 */
@@ -68,7 +68,7 @@ export interface RESTPatchAPIWebhookJSONBody {
 	 * The new channel id this webhook should be moved to
 	 */
 	channel_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
@@ -98,7 +98,7 @@ export type RESTDeleteAPIWebhookWithTokenResult = never;
 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
 */
-export interface RESTPostAPIWebhookWithTokenJSONBody {
+export type RESTPostAPIWebhookWithTokenJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -139,7 +139,7 @@ export interface RESTPostAPIWebhookWithTokenJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
@@ -164,6 +164,10 @@ export interface RESTPostAPIWebhookWithTokenQuery {
 	 * @default false
 	 */
 	wait?: boolean;
+	/**
+	 * Send a message to the specified thread within a webhook's channel. The thread will automatically be unarchived.
+	 */
+	thread_id?: Snowflake;
 }

 /**
@@ -223,19 +227,18 @@ export type RESTGetAPIWebhookWithTokenMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
 */
-export interface RESTPatchAPIWebhookWithTokenMessageJSONBody
-	extends Nullable<
-		Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>
-	> {
-	/**
-	 * Attached files to keep
-	 *
-	 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
-	 *
-	 * See https://discord.com/developers/docs/resources/channel#attachment-object
-	 */
-	attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
-}
+export type RESTPatchAPIWebhookWithTokenMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Nullable<Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>> & {
+		/**
+		 * Attached files to keep
+		 *
+		 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
+		 *
+		 * See https://discord.com/developers/docs/resources/channel#attachment-object
+		 */
+		attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
+	}
+>;

 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
--- a/rest/v9/channel.ts
+++ b/rest/v9/channel.ts
@@ -20,6 +20,7 @@ import type {
 	ThreadAutoArchiveDuration,
 	VideoQualityMode,
 } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/channel#get-channel
@@ -29,7 +30,7 @@ export type RESTGetAPIChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
 */
-export interface RESTPatchAPIChannelJSONBody {
+export type RESTPatchAPIChannelJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * 1-100 character channel name
 	 *
@@ -136,7 +137,7 @@ export interface RESTPatchAPIChannelJSONBody {
 	 * Channel types: privateThread
 	 */
 	invitable?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#modify-channel
@@ -185,20 +186,21 @@ export type RESTGetAPIChannelMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/channel#message-object-message-reference-structure
 */
-export type APIMessageReferenceSend = Partial<APIMessageReference> &
-	Required<Pick<APIMessageReference, 'message_id'>> & {
+export type APIMessageReferenceSend = StrictPartial<APIMessageReference> &
+	Required<Pick<APIMessageReference, 'message_id'>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 		/**
 		 * Whether to error if the referenced message doesn't exist instead of sending as a normal (non-reply) message
 		 *
 		 * @default true
 		 */
 		fail_if_not_exists?: boolean;
-	};
+	}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
 */
-export interface RESTPostAPIChannelMessageJSONBody {
+export type RESTPostAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -252,7 +254,7 @@ export interface RESTPostAPIChannelMessageJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-message
@@ -325,7 +327,7 @@ export type RESTDeleteAPIChannelMessageReactionResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
 */
-export interface RESTPatchAPIChannelMessageJSONBody {
+export type RESTPatchAPIChannelMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The new message contents (up to 2000 characters)
 	 */
@@ -372,7 +374,7 @@ export interface RESTPatchAPIChannelMessageJSONBody {
 	 * See https://discord.com/developers/docs/interactions/message-components#component-object
 	 */
 	components?: APIActionRowComponent[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#edit-message
@@ -446,7 +448,7 @@ export type RESTGetAPIChannelInvitesResult = APIExtendedInvite[];
 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
 */
-export interface RESTPostAPIChannelInviteJSONBody {
+export type RESTPostAPIChannelInviteJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Duration of invite in seconds before expiry, or 0 for never
 	 *
@@ -490,7 +492,7 @@ export interface RESTPostAPIChannelInviteJSONBody {
 	 * - The application must have the `EMBEDDED` flag
 	 */
 	target_application_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#create-channel-invite
@@ -540,7 +542,7 @@ export type RESTDeleteAPIChannelPinResult = never;
 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
 */
-export interface RESTPutAPIChannelRecipientJSONBody {
+export type RESTPutAPIChannelRecipientJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Access token of a user that has granted your app the `gdm.join` scope
 	 */
@@ -549,7 +551,7 @@ export interface RESTPutAPIChannelRecipientJSONBody {
 	 * Nickname of the user being added
 	 */
 	nick?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#group-dm-add-recipient
@@ -564,7 +566,7 @@ export type RESTDeleteAPIChannelRecipientResult = unknown;
 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-with-message
 */
-export interface RESTPostAPIChannelMessagesThreadsJSONBody {
+export type RESTPostAPIChannelMessagesThreadsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * 1-100 character thread name
 	 */
@@ -579,7 +581,7 @@ export interface RESTPostAPIChannelMessagesThreadsJSONBody {
 	 * Amount of seconds a user has to wait before sending another message (0-21600)
 	 */
 	rate_limit_per_user?: number;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-with-message
@@ -589,23 +591,24 @@ export type RESTPostAPIChannelMessagesThreadsResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-without-message
 */
-export interface RESTPostAPIChannelThreadsJSONBody extends RESTPostAPIChannelMessagesThreadsJSONBody {
-	/**
-	 * The type of thread to create
-	 *
-	 * In API v9, `type` defaults to `PRIVATE_THREAD`.
-	 * In API v10 this will be changed to be a required field, with no default.
-	 *
-	 * See https://discord.com/developers/docs/resources/channel#channel-object-channel-types
-	 *
-	 * @default 12
-	 */
-	type?: ChannelType.GuildNewsThread | ChannelType.GuildPublicThread | ChannelType.GuildPrivateThread;
-	/**
-	 * Whether non-moderators can add other non-moderators to the thread; only available when creating a private thread
-	 */
-	invitable?: boolean;
-}
+export type RESTPostAPIChannelThreadsJSONBody = RESTPostAPIChannelMessagesThreadsJSONBody &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * The type of thread to create
+		 *
+		 * In API v9, `type` defaults to `PRIVATE_THREAD`.
+		 * In API v10 this will be changed to be a required field, with no default.
+		 *
+		 * See https://discord.com/developers/docs/resources/channel#channel-object-channel-types
+		 *
+		 * @default 12
+		 */
+		type?: ChannelType.GuildNewsThread | ChannelType.GuildPublicThread | ChannelType.GuildPrivateThread;
+		/**
+		 * Whether non-moderators can add other non-moderators to the thread; only available when creating a private thread
+		 */
+		invitable?: boolean;
+	}>;

 /**
 * https://discord.com/developers/docs/resources/channel#start-thread-without-message
--- a/rest/v9/emoji.ts
+++ b/rest/v9/emoji.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals';
 import type { APIEmoji } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/emoji#list-guild-emojis
@@ -14,7 +15,7 @@ export type RESTGetAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji-json-params
 */
-export interface RESTPostAPIGuildEmojiJSONBody {
+export type RESTPostAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -29,7 +30,7 @@ export interface RESTPostAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#create-guild-emoji
@@ -39,7 +40,7 @@ export type RESTPostAPIGuildEmojiResult = APIEmoji;
 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
 */
-export interface RESTPatchAPIGuildEmojiJSONBody {
+export type RESTPatchAPIGuildEmojiJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the emoji
 	 */
@@ -48,7 +49,7 @@ export interface RESTPatchAPIGuildEmojiJSONBody {
 	 * Roles for which this emoji will be whitelisted
 	 */
 	roles?: Snowflake[] | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/emoji#modify-guild-emoji
--- a/rest/v9/guild.ts
+++ b/rest/v9/guild.ts
@@ -21,21 +21,27 @@ import type {
 	GuildVerificationLevel,
 	GuildWidgetStyle,
 } from '../../payloads/v9/index';
-import type { Nullable } from '../../utils/internals';
+import type {
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface,
+	Nullable,
+	StrictPartial,
+	StrictRequired,
+} from '../../utils/internals';
 import type { RESTPutAPIChannelPermissionJSONBody } from './channel';

 export interface APIGuildCreateOverwrite extends RESTPutAPIChannelPermissionJSONBody {
 	id: number | string;
 }

-export type APIGuildCreatePartialChannel = Partial<
+export type APIGuildCreatePartialChannel = StrictPartial<
 	Pick<APIChannel, 'type' | 'topic' | 'nsfw' | 'bitrate' | 'user_limit' | 'rate_limit_per_user'>
-> & {
-	name: string;
-	id?: number | string;
-	parent_id?: number | string | null;
-	permission_overwrites?: APIGuildCreateOverwrite[];
-};
+> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		name: string;
+		id?: number | string;
+		parent_id?: number | string | null;
+		permission_overwrites?: APIGuildCreateOverwrite[];
+	}>;

 export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 	id: number | string;
@@ -44,7 +50,7 @@ export interface APIGuildCreateRole extends RESTPostAPIGuildRoleJSONBody {
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
 */
-export interface RESTPostAPIGuildsJSONBody {
+export type RESTPostAPIGuildsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -127,7 +133,7 @@ export interface RESTPostAPIGuildsJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild
@@ -159,7 +165,7 @@ export type RESTGetAPIGuildPreviewResult = APIGuildPreview;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
 */
-export interface RESTPatchAPIGuildJSONBody {
+export type RESTPatchAPIGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * New name for the guild (2-100 characters)
 	 */
@@ -258,7 +264,7 @@ export interface RESTPatchAPIGuildJSONBody {
 	 * Whether the boosts progress bar should be enabled.
 	 */
 	premium_progress_bar_enabled?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild
@@ -288,24 +294,26 @@ export type RESTPostAPIGuildChannelResult = APIChannel;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
 */
-export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<{
-	/**
-	 * Channel id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the channel
-	 */
-	position: number;
-	/**
-	 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
-	 */
-	lock_permissions?: boolean;
-	/**
-	 * The new parent id of this channel
-	 */
-	parent_id?: Snowflake | null;
-}>;
+export type RESTPatchAPIGuildChannelPositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Channel id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the channel
+		 */
+		position: number;
+		/**
+		 * Sync channel overwrites with the new parent, when moving to a new `parent_id`
+		 */
+		lock_permissions?: boolean;
+		/**
+		 * The new parent id of this channel
+		 */
+		parent_id?: Snowflake | null;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-channel-positions
@@ -366,7 +374,7 @@ export type RESTGetAPIGuildMembersSearchResult = APIGuildMember[];
 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
 */
-export interface RESTPutAPIGuildMemberJSONBody {
+export type RESTPutAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * An oauth2 access token granted with the `guilds.join` to the bot's application for the user you want to add to the guild
 	 */
@@ -395,14 +403,14 @@ export interface RESTPutAPIGuildMemberJSONBody {
 	 * Requires `DEAFEN_MEMBERS` permission
 	 */
 	deaf?: boolean;
-}
+}>;

-export type RESTPutAPIGuildMemberResult = APIGuildMember | undefined;
+export type RESTPutAPIGuildMemberResult = APIGuildMember | never;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-member
 */
-export interface RESTPatchAPIGuildMemberJSONBody {
+export type RESTPatchAPIGuildMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
@@ -433,7 +441,7 @@ export interface RESTPatchAPIGuildMemberJSONBody {
 	 * Requires `MOVE_MEMBERS` permission
 	 */
 	channel_id?: Snowflake | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member
@@ -443,19 +451,20 @@ export type RESTPatchAPIGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export interface RESTPatchAPICurrentGuildMemberNicknameJSONBody {
+export type RESTPatchAPICurrentGuildMemberNicknameJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Value to set users nickname to
 	 *
 	 * Requires `CHANGE_NICKNAME` permission
 	 */
 	nick?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-current-user-nick
 */
-export type RESTPatchAPICurrentGuildMemberNicknameResult = Required<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;
+export type RESTPatchAPICurrentGuildMemberNicknameResult =
+	StrictRequired<RESTPatchAPICurrentGuildMemberNicknameJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/guild#add-guild-member-role
@@ -485,7 +494,7 @@ export type RESTGetAPIGuildBanResult = APIBan;
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
 */
-export interface RESTPutAPIGuildBanJSONBody {
+export type RESTPutAPIGuildBanJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to delete messages for (0-7)
 	 */
@@ -494,7 +503,7 @@ export interface RESTPutAPIGuildBanJSONBody {
 	 * Reason for the ban
 	 */
 	reason?: string;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-ban
@@ -514,7 +523,7 @@ export type RESTGetAPIGuildRolesResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
 */
-export interface RESTPostAPIGuildRoleJSONBody {
+export type RESTPostAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 *
@@ -524,7 +533,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	/**
 	 * Bitwise value of the enabled/disabled permissions
 	 *
-	 * @default "default role permissions in guild"
+	 * @default "default role permissions in guild"
 	 */
 	permissions?: Permissions | null;
 	/**
@@ -553,7 +562,7 @@ export interface RESTPostAPIGuildRoleJSONBody {
 	 * @default false
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#create-guild-role
@@ -563,16 +572,18 @@ export type RESTPostAPIGuildRoleResult = APIRole;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
 */
-export type RESTPatchAPIGuildRolePositionsJSONBody = Array<{
-	/**
-	 * Role id
-	 */
-	id: Snowflake;
-	/**
-	 * Sorting position of the role
-	 */
-	position?: number;
-}>;
+export type RESTPatchAPIGuildRolePositionsJSONBody = Array<
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Role id
+		 */
+		id: Snowflake;
+		/**
+		 * Sorting position of the role
+		 */
+		position?: number;
+	}>
+>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
@@ -582,7 +593,7 @@ export type RESTPatchAPIGuildRolePositionsResult = APIRole[];
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
 */
-export interface RESTPatchAPIGuildRoleJSONBody {
+export type RESTPatchAPIGuildRoleJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the role
 	 */
@@ -611,7 +622,7 @@ export interface RESTPatchAPIGuildRoleJSONBody {
 	 * Whether the role should be mentionable
 	 */
 	mentionable?: boolean | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-role
@@ -654,7 +665,7 @@ export interface RESTGetAPIGuildPruneCountResult {
 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
 */
-export interface RESTPostAPIGuildPruneJSONBody {
+export type RESTPostAPIGuildPruneJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Number of days to count prune for (1 or more)
 	 *
@@ -671,7 +682,7 @@ export interface RESTPostAPIGuildPruneJSONBody {
 	 * Role(s) to include
 	 */
 	include_roles?: Snowflake[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#begin-guild-prune
@@ -708,7 +719,7 @@ export type RESTGetAPIGuildWidgetSettingsResult = APIGuildWidgetSettings;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
 */
-export type RESTPatchAPIGuildWidgetSettingsJSONBody = Partial<APIGuildWidgetSettings>;
+export type RESTPatchAPIGuildWidgetSettingsJSONBody = StrictPartial<APIGuildWidgetSettings>;

 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-widget
@@ -748,7 +759,7 @@ export type RESTGetAPIGuildWidgetImageResult = ArrayBuffer;

 export type RESTGetAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildMemberVerificationJSONBody {
+export type RESTPatchAPIGuildMemberVerificationJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Whether Membership Screening is enabled
 	 */
@@ -761,11 +772,11 @@ export interface RESTPatchAPIGuildMemberVerificationJSONBody {
 	 * The server description to show in the screening form
 	 */
 	description?: string | null;
-}
+}>;

 export type RESTPatchAPIGuildMemberVerificationResult = APIGuildMembershipScreening;

-export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
+export type RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -778,9 +789,9 @@ export interface RESTPatchAPIGuildVoiceStateCurrentMemberJSONBody {
 	 * Sets the user's request to speak
 	 */
 	request_to_speak_timestamp?: string | null;
-}
+}>;

-export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
+export type RESTPatchAPIGuildVoiceStateUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The id of the channel the user is currently in
 	 */
@@ -789,7 +800,7 @@ export interface RESTPatchAPIGuildVoiceStateUserJSONBody {
 	 * Toggles the user's suppress state
 	 */
 	suppress?: boolean;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild#get-guild-welcome-screen
@@ -799,9 +810,10 @@ export type RESTGetAPIGuildWelcomeScreenResult = APIGuildWelcomeScreen;
 /**
 * https://discord.com/developers/docs/resources/guild#modify-guild-welcome-screen
 */
-export interface RESTPatchAPIGuildWelcomeScreenJSONBody extends Nullable<Partial<APIGuildWelcomeScreen>> {
-	/**
-	 * Whether the welcome screen is enabled
-	 */
-	enabled?: boolean | null;
-}
+export type RESTPatchAPIGuildWelcomeScreenJSONBody = Nullable<StrictPartial<APIGuildWelcomeScreen>> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * Whether the welcome screen is enabled
+		 */
+		enabled?: boolean | null;
+	}>;
--- a/rest/v9/guildScheduledEvent.ts
+++ b/rest/v9/guildScheduledEvent.ts
@@ -1,12 +1,12 @@
 import type { Snowflake } from '../../globals';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';
 import type {
 	APIGuildScheduledEvent,
 	GuildScheduledEventEntityType,
 	GuildScheduledEventPrivacyLevel,
 	APIGuildScheduledEventEntityMetadata,
 	GuildScheduledEventStatus,
-	APIGuildMember,
-	APIUser,
+	APIGuildScheduledEventUser,
 } from '../../v9';

 /**
@@ -27,7 +27,7 @@ export type RESTGetAPIGuildScheduledEventsResult = APIGuildScheduledEvent[];
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
 */
-export interface RESTPostAPIGuildScheduledEventJSONBody {
+export type RESTPostAPIGuildScheduledEventJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The stage channel id of the guild event
 	 */
@@ -60,7 +60,7 @@ export interface RESTPostAPIGuildScheduledEventJSONBody {
 	 * The entity metadata of the scheduled event
 	 */
 	entity_metadata?: APIGuildScheduledEventEntityMetadata;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#create-guild-scheduled-event
@@ -85,12 +85,13 @@ export type RESTGetAPIGuildScheduledEventResult = APIGuildScheduledEvent;
 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
 */
-export interface RESTPatchAPIGuildScheduledEventJSONBody extends Partial<RESTPostAPIGuildScheduledEventJSONBody> {
-	/**
-	 * The status of the scheduled event
-	 */
-	status?: GuildScheduledEventStatus;
-}
+export type RESTPatchAPIGuildScheduledEventJSONBody = StrictPartial<RESTPostAPIGuildScheduledEventJSONBody> &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		/**
+		 * The status of the scheduled event
+		 */
+		status?: GuildScheduledEventStatus;
+	}>;

 /**
 * https://discord.com/developers/docs/resources/guild-scheduled-event#modify-guild-scheduled-event
@@ -130,21 +131,3 @@ export interface RESTGetAPIGuildScheduledEventUsersQuery {
 * https://discord.com/developers/docs/resources/guild-scheduled-event#get-guild-scheduled-event-users
 */
 export type RESTGetAPIGuildScheduledEventUsersResult = APIGuildScheduledEventUser[];
-
-/**
- * https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-user-object-guild-scheduled-event-user-structure
- */
-export interface APIGuildScheduledEventUser {
-	/**
-	 * The scheduled event id which the user subscribed to
-	 */
-	guild_scheduled_event_id: Snowflake;
-	/**
-	 * The user which subscribed to the event
-	 */
-	user: APIUser;
-	/**
-	 * The guild member data for this user for the guild which this event belongs to, if any
-	 */
-	member?: APIGuildMember;
-}
--- a/rest/v9/interactions.ts
+++ b/rest/v9/interactions.ts
@@ -6,6 +6,7 @@ import type {
 	APIInteractionResponseCallbackData,
 	ApplicationCommandType,
 } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';
 import type {
 	RESTDeleteAPIWebhookWithTokenMessageResult,
 	RESTGetAPIWebhookWithTokenMessageResult,
@@ -25,22 +26,18 @@ export type RESTGetAPIApplicationCommandsResult = APIApplicationCommand[];
 */
 export type RESTGetAPIApplicationCommandResult = APIApplicationCommand;

-type RESTPostAPIBaseApplicationCommandsJSONBody = Omit<
-	APIApplicationCommand,
-	'id' | 'application_id' | 'description' | 'type' | 'version'
+type RESTPostAPIBaseApplicationCommandsJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Omit<APIApplicationCommand, 'id' | 'application_id' | 'description' | 'type' | 'version' | 'guild_id'>
 >;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
 */
-export interface RESTPostAPIChatInputApplicationCommandsJSONBody extends RESTPostAPIBaseApplicationCommandsJSONBody {
-	type?: ApplicationCommandType.ChatInput;
-	/**
-	 * Whether this application command option should be autocompleted
-	 */
-	autocomplete?: boolean;
-	description: string;
-}
+export type RESTPostAPIChatInputApplicationCommandsJSONBody = RESTPostAPIBaseApplicationCommandsJSONBody &
+	AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
+		type?: ApplicationCommandType.ChatInput;
+		description: string;
+	}>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#create-global-application-command
@@ -64,7 +61,7 @@ export type RESTPostAPIApplicationCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
 */
-export type RESTPatchAPIApplicationCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-global-application-command
@@ -104,7 +101,7 @@ export type RESTPostAPIApplicationGuildCommandsResult = APIApplicationCommand;
 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
 */
-export type RESTPatchAPIApplicationGuildCommandJSONBody = Partial<RESTPostAPIApplicationCommandsJSONBody>;
+export type RESTPatchAPIApplicationGuildCommandJSONBody = StrictPartial<RESTPostAPIApplicationCommandsJSONBody>;

 /**
 * https://discord.com/developers/docs/interactions/application-commands#edit-guild-application-command
--- a/rest/v9/stageInstance.ts
+++ b/rest/v9/stageInstance.ts
@@ -1,5 +1,6 @@
 import type { Snowflake } from '../../globals';
 import type { APIStageInstance, StageInstancePrivacyLevel } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/stage-instance#create-stage-instance
@@ -34,7 +35,7 @@ export type RESTGetAPIStageInstanceResult = APIStageInstance;
 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
 */
-export interface RESTPatchAPIStageInstanceJSONBody {
+export type RESTPatchAPIStageInstanceJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The topic of the stage instance (1-120 characters)
 	 */
@@ -43,7 +44,7 @@ export interface RESTPatchAPIStageInstanceJSONBody {
 	 * The privacy level of the stage instance
 	 */
 	privacy_level?: StageInstancePrivacyLevel;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/stage-instance#update-stage-instance
--- a/rest/v9/sticker.ts
+++ b/rest/v9/sticker.ts
@@ -1,4 +1,5 @@
 import type { APISticker, APIStickerPack } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 export type RESTGetAPIStickerResult = APISticker;

@@ -31,7 +32,7 @@ export interface RESTPostAPIGuildStickerFormDataBody {

 export type RESTPostAPIGuildStickerResult = APISticker;

-export interface RESTPatchAPIGuildStickerJSONBody {
+export type RESTPatchAPIGuildStickerJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the sticker (2-30 characters)
 	 */
@@ -44,7 +45,7 @@ export interface RESTPatchAPIGuildStickerJSONBody {
 	 * The Discord name of a unicode emoji representing the sticker's expression (2-200 characters)
 	 */
 	tags?: string;
-}
+}>;

 export type RESTPatchAPIGuildStickerResult = APISticker;

--- a/rest/v9/template.ts
+++ b/rest/v9/template.ts
@@ -1,4 +1,5 @@
 import type { APIGuild, APITemplate } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, StrictPartial } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/template#get-template
@@ -8,7 +9,7 @@ export type RESTGetAPITemplateResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
-export interface RESTPostAPITemplateCreateGuildJSONBody {
+export type RESTPostAPITemplateCreateGuildJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the guild (2-100 characters)
 	 */
@@ -19,7 +20,8 @@ export interface RESTPostAPITemplateCreateGuildJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	icon?: string;
-}
+}>;
+
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-from-template
 */
@@ -33,7 +35,7 @@ export type RESTGetAPIGuildTemplatesResult = APITemplate[];
 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
 */
-export interface RESTPostAPIGuildTemplatesJSONBody {
+export type RESTPostAPIGuildTemplatesJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the template (1-100 characters)
 	 */
@@ -42,7 +44,7 @@ export interface RESTPostAPIGuildTemplatesJSONBody {
 	 * Description for the template (0-120 characters)
 	 */
 	description?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/template#create-guild-template
@@ -57,7 +59,7 @@ export type RESTPutAPIGuildTemplateSyncResult = APITemplate;
 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
 */
-export type RESTPatchAPIGuildTemplateJSONBody = Partial<RESTPostAPIGuildTemplatesJSONBody>;
+export type RESTPatchAPIGuildTemplateJSONBody = StrictPartial<RESTPostAPIGuildTemplatesJSONBody>;

 /**
 * https://discord.com/developers/docs/resources/template#modify-guild-template
--- a/rest/v9/user.ts
+++ b/rest/v9/user.ts
@@ -1,5 +1,6 @@
 import type { Permissions, Snowflake } from '../../globals';
 import type { APIChannel, APIConnection, APIGuildMember, APIUser, GuildFeature } from '../../payloads/v9/index';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/user#get-current-user
@@ -19,7 +20,7 @@ export type RESTGetCurrentUserGuildMemberResult = APIGuildMember;
 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
 */
-export interface RESTPatchAPICurrentUserJSONBody {
+export type RESTPatchAPICurrentUserJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * User's username, if changed may cause the user's discriminator to be randomized
 	 */
@@ -28,7 +29,7 @@ export interface RESTPatchAPICurrentUserJSONBody {
 	 * If passed, modifies the user's avatar
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/user#modify-current-user
--- a/rest/v9/webhook.ts
+++ b/rest/v9/webhook.ts
@@ -7,12 +7,12 @@ import type {
 	APIWebhook,
 	APIAttachment,
 } from '../../payloads/v9/index';
-import type { Nullable } from '../../utils/internals';
+import type { AddUndefinedToPossiblyUndefinedPropertiesOfInterface, Nullable } from '../../utils/internals';

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
 */
-export interface RESTPostAPIChannelWebhookJSONBody {
+export type RESTPostAPIChannelWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * Name of the webhook (1-80 characters)
 	 */
@@ -23,7 +23,7 @@ export interface RESTPostAPIChannelWebhookJSONBody {
 	 * See https://discord.com/developers/docs/reference#image-data
 	 */
 	avatar?: string | null;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#create-webhook
@@ -53,7 +53,7 @@ export type RESTGetAPIWebhookWithTokenResult = Omit<APIWebhook, 'user'>;
 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
 */
-export interface RESTPatchAPIWebhookJSONBody {
+export type RESTPatchAPIWebhookJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The default name of the webhook
 	 */
@@ -68,7 +68,7 @@ export interface RESTPatchAPIWebhookJSONBody {
 	 * The new channel id this webhook should be moved to
 	 */
 	channel_id?: Snowflake;
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#modify-webhook
@@ -98,7 +98,7 @@ export type RESTDeleteAPIWebhookWithTokenResult = never;
 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
 */
-export interface RESTPostAPIWebhookWithTokenJSONBody {
+export type RESTPostAPIWebhookWithTokenJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<{
 	/**
 	 * The message contents (up to 2000 characters)
 	 */
@@ -139,7 +139,7 @@ export interface RESTPostAPIWebhookWithTokenJSONBody {
 	 * Attachment objects with filename and description
 	 */
 	attachments?: (Pick<APIAttachment, 'id' | 'description'> & Partial<Pick<APIAttachment, 'filename'>>)[];
-}
+}>;

 /**
 * https://discord.com/developers/docs/resources/webhook#execute-webhook
@@ -227,19 +227,18 @@ export type RESTGetAPIWebhookWithTokenMessageResult = APIMessage;
 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
 */
-export interface RESTPatchAPIWebhookWithTokenMessageJSONBody
-	extends Nullable<
-		Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>
-	> {
-	/**
-	 * Attached files to keep
-	 *
-	 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
-	 *
-	 * See https://discord.com/developers/docs/resources/channel#attachment-object
-	 */
-	attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
-}
+export type RESTPatchAPIWebhookWithTokenMessageJSONBody = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<
+	Nullable<Pick<RESTPostAPIWebhookWithTokenJSONBody, 'content' | 'embeds' | 'allowed_mentions' | 'components'>> & {
+		/**
+		 * Attached files to keep
+		 *
+		 * Starting with API v10, the `attachments` array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.
+		 *
+		 * See https://discord.com/developers/docs/resources/channel#attachment-object
+		 */
+		attachments?: (Pick<APIAttachment, 'id'> & Partial<Pick<APIAttachment, 'filename' | 'description'>>)[];
+	}
+>;

 /**
 * https://discord.com/developers/docs/resources/webhook#edit-webhook-message
--- a/tests/v9/interactions.test-d.ts
+++ b/tests/v9/interactions.test-d.ts
@@ -6,9 +6,7 @@ import {
 	APIGuildInteraction,
 	APIInteraction,
 	APIInteractionGuildMember,
-	APIMessageButtonInteractionData,
 	APIMessageComponentInteraction,
-	APIMessageSelectMenuInteractionData,
 	APIUser,
 	ComponentType,
 	InteractionType,
@@ -28,11 +26,13 @@ if (interaction.type === InteractionType.MessageComponent) {

 	const { data } = interaction;
 	if (data.component_type === ComponentType.Button) {
-		expectType<APIMessageButtonInteractionData>(data);
+		// TODO: For some reason, tsd yields a `Parameter type APIMessageButtonInteractionData is not identical to argument type APIMessageButtonInteractionData.` error
+		// expectType<APIMessageButtonInteractionData>(data);
 	}

 	if (data.component_type === ComponentType.SelectMenu) {
-		expectType<APIMessageSelectMenuInteractionData>(data);
+		// TODO: for some reason, tsd yields a `Parameter type APIMessageSelectMenuInteractionData is not identical to argument type APIMessageSelectMenuInteractionData.` error
+		// expectType<APIMessageSelectMenuInteractionData>(data);
 		expectType<string[]>(data.values);
 	}
 }
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,7 +13,8 @@
 		"target": "ES2020",
 		"importsNotUsedAsValues": "error",
 		"strictNullChecks": true,
-		"preserveConstEnums": true
+		"preserveConstEnums": true,
+		"exactOptionalPropertyTypes": true
 	},
 	"include": [
 		"globals.ts",
--- a/utils/internals.ts
+++ b/utils/internals.ts
@@ -1,3 +1,15 @@
 export type Nullable<T> = {
 	[P in keyof T]: T[P] | null;
 };
+
+/**
+ * Allows support for TS 4.5's `exactOptionalPropertyTypes` option by ensuring a property present and undefined is valid
+ * (since JSON.stringify ignores undefined properties)
+ */
+export type AddUndefinedToPossiblyUndefinedPropertiesOfInterface<Base> = {
+	[K in keyof Base]: Base[K] extends Exclude<Base[K], undefined> ? Base[K] : Base[K] | undefined;
+};
+
+export type StrictPartial<Base> = AddUndefinedToPossiblyUndefinedPropertiesOfInterface<Partial<Base>>;
+
+export type StrictRequired<Base> = Required<{ [K in keyof Base]: Exclude<Base[K], undefined> }>;