src/vs/workbench/api/browser/mainThreadComments.ts/MainThreadCommentController/toggleReaction
class MainThreadCommentController:	async toggleReaction(uri: URI, thread: modes.CommentThread, comment: modes.Comment, reaction: modes.CommentReaction, token: CancellationToken): Promise<void> {
		return this._proxy.$toggleReaction(this._handle, thread.commentThreadHandle, uri, comment, reaction);
	}