public function validate() {
		$this->args['limit'] = absint( $this->args['limit'] );
		$this->args['term']  = trim( sanitize_text_field( $this->args['term'] ) );

		/**
		 * Filters the arguments to be validated for the BP_Suggestions query.
		 *
		 * @since 2.1.0
		 *
		 * @param BP_Suggestions $value Arguments to be validated.
		 * @param BP_Suggestions $this  Current BP_Suggestions instance.
		 */
		$this->args          = apply_filters( 'bp_suggestions_args', $this->args, $this );

		// Check for invalid or missing mandatory parameters.
		if ( ! $this->args['limit'] || ! $this->args['term'] ) {
			return new WP_Error( 'missing_parameter' );
		}

		// Check for blocked users (e.g. deleted accounts, or spammers).
		if ( is_user_logged_in() && ! bp_is_user_active( get_current_user_id() ) ) {
			return new WP_Error( 'invalid_user' );
		}

		/**
		 * Filters the status of validation for the BP_Suggestions query.
		 *
		 * @since 2.1.0
		 *
		 * @param bool           $value Whether or not the values are valid.
		 * @param BP_Suggestions $this  Current BP_Suggestions instance.
		 */
		return apply_filters( 'bp_suggestions_validate_args', true, $this );
	}