edit message can now have files

src/types/messages/edit_message.ts

@@ -1,4 +1,5 @@
 import { Embed } from "../embeds/embed.ts";
+import { FileContent } from "../misc/file_content.ts";
 import { AllowedMentions } from "./allowed_mentions.ts";
 import { Attachment } from "./attachment.ts";
 
@@ -10,6 +11,8 @@ export interface EditMessage {
   embed?: Embed | null;
   /** Edit the flags of the message (only `SUPRESS_EMBEDS` can currently be set/unset) */
   flags?: 4 | null;
+  /** The contents of the file being sent/edited */
+  file?: FileContent | FileContent[] | null;
   /** Allowed mentions for the message */
   allowedMentions?: AllowedMentions | null;
   /** Attached files to keep */