src/vs/workbench/api/common/extHostComments.ts/ExtHostCommentThread/canReply
class ExtHostCommentThread:	set canReply(state: boolean) {
		if (this._canReply !== state) {
			this._canReply = state;
			this.modifications.canReply = state;
			this._onDidUpdateCommentThread.fire();
		}
	}