private function load() {

    require_once dirname( $this->file ) . '/vendor/autoload.php';

    // Maybe include the bundled bootstrapper
    if ( ! class_exists( 'Easy_Digital_Downloads' ) ) {
      require_once dirname( $this->file ) . '/includes/class-easy-digital-downloads.php';
    }

    // Maybe hook-in the bootstrapper
    if ( class_exists( 'Easy_Digital_Downloads' ) ) {

      // Bootstrap to plugins_loaded before priority 10 to make sure
      // add-ons are loaded after us.
      add_action( 'plugins_loaded', array( $this, 'bootstrap' ), 4 );

      // Register the activation hook
      register_activation_hook( $this->file, array( $this, 'install' ) );
    }
  }