BP_REST_Notifications_Endpoint::get_endpoint_args_for_item_schema( string $method = WP_REST_Server::CREATABLE )

	public function get_endpoint_args_for_item_schema( $method = WP_REST_Server::CREATABLE ) {
		$args = WP_REST_Controller::get_endpoint_args_for_item_schema( $method );
		$key  = 'get_item';

		if ( WP_REST_Server::EDITABLE === $method ) {
			$key = 'update_item';

			// Only switching the is_new property can be achieved.
			$args                      = array_intersect_key( $args, array( 'is_new' => true ) );
			$args['is_new']['default'] = 0;
		} elseif ( WP_REST_Server::CREATABLE === $method ) {
			$key = 'create_item';
		} elseif ( WP_REST_Server::DELETABLE === $method ) {
			$key = 'delete_item';
		}

		/**
		 * Filters the method query arguments.
		 *
		 * @param array  $args   Query arguments.
		 * @param string $method HTTP method of the request.
		 *
		 * @since 0.1.0
		 */
		return apply_filters( "bp_rest_notifications_{$key}_query_arguments", $args, $method );
	}