protected function prepare_item_for_database( $request ) {
		$prepared_user = parent::prepare_item_for_database( $request );

		// The parent class uses username instead of user_login.
		if ( ! isset( $prepared_user->user_login ) && isset( $request['user_login'] ) ) {
			$prepared_user->user_login = $request['user_login'];
		}

		/**
		 * Filters an user object before it is inserted or updated via the REST API.
		 *
		 * @since 5.0.0
		 *
		 * @param stdClass        $prepared_user An object prepared for inserting or updating the database.
		 * @param WP_REST_Request $request       Request object.
		 */
		return apply_filters( 'bp_rest_members_pre_insert_value', $prepared_user, $request );
	}