public function get_cart_provider( $provider ) {
		if ( empty( $provider ) ) {
			return false;
		}

		$provider_obj = false;

		/**
		 * Allow providers to include themselves if they are not in the above.
		 *
		 * @since 4.11.0
		 *
		 * @return boolean|object The provider object or boolean false if none found above.
		 * @param string $provider A string indicating the desired provider.
		 */
		$provider_obj = apply_filters( 'tribe_attendee_registration_cart_provider', $provider_obj, $provider );

		return $provider_obj;
	}