public function get_singular_title_parts( $post_id = null ) {

    $supported_title_keys = [
      '_genesis_title',
      '_aioseo_title',
      '_headspace_title',
      'thesis_title',
      'title_tag',
      'title',
    ];

    foreach ( $supported_title_keys as $key ) {
      if ( genesis_get_custom_field( $key, $post_id ) ) {
        $this->parts[ self::TITLE ] = genesis_get_custom_field( $key, $post_id );
        break;
      }
    }

    return $this->parts;

  }