$this->meta = new WP_REST_User_Meta_Fields();
	}

	/**
	 * Determine if the current user has permissions to manage the role(s) present in a request
	 *
	 * @since 1.0.0-beta.1
	 *
	 * @param WP_REST_Request $request Request object.
	 * @return true|WP_Error
	 */
	protected function check_roles_permissions( $request ) {

		global $wp_roles;

		$schema = $this->get_item_schema();
		$roles  = array();
		if ( ! empty( $request['roles'] ) ) {
			$roles = $request['roles'];
		} elseif ( ! empty( $schema['properties']['roles']['default'] ) ) {
			$roles = $schema['properties']['roles']['default'];
		}

		foreach ( $roles as $role ) {

			if ( ! isset( $wp_roles->role_objects[ $role ] ) ) {
				// Translators: %s = role key.
				return llms_rest_bad_request_error( sprintf( __( 'The role %s does not exist.', 'lifterlms' ), $role ) );
			}

			$potential_role = $wp_roles->role_objects[ $role ];

			/*
			 * Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
			 * Multisite super admins can freely edit their blog roles -- they possess all caps.
			 */
			if ( ! ( is_multisite()
				&& current_user_can( 'manage_sites' ) )
				&& get_current_user_id() === $request['id']
				&& ! $potential_role->has_cap( 'edit_users' )
			) {
				return llms_rest_authorization_required_error( __( 'You are not allowed to give users this role.', 'lifterlms' ) );
			}

			// Include admin functions to get access to `get_editable_roles()`.
			require_once ABSPATH . 'wp-admin/includes/admin.php';