public function register() {

		// If not enabled, do not load Tickets Emails system.
		// @todo @codingmusician @rafsuntaskin @juanfra: Remove this for 5.7.0 (When we release Tickets Emails)
		if ( ! tec_tickets_emails_is_enabled() ) {
			return;
		}

		$this->register_assets();
		$this->register_hooks();

		// Register singletons.
		$this->container->singleton( static::class, $this );
		$this->container->singleton( 'tickets.emails.provider', $this );

		$this->container->singleton( Admin\Emails_Tab::class );

		$this->container->singleton( Admin\Preview_Modal::class );

		$this->container->register( Email_Handler::class );

		$this->container->singleton( Web_View::class );
	}