	public function get_items_permissions_check( $request ) {

		$parent = get_post( $request['parent'] );
		if ( ! $parent ) {
			return true;
		}
		$parent_post_type_obj = get_post_type_object( $parent->post_type );
		if ( ! current_user_can( $parent_post_type_obj->cap->edit_post, $parent->ID ) ) {
			return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to view revisions of this post.' ), array( 'status' => rest_authorization_required_code() ) );
		}

		return true;
	}