getBaseFormId example

$container->get('file_system'),
      $container->get('media_library.opener_resolver'),
      $container->get('file.usage'),
      $container->get('file.repository')
    );
  }

  /** * {@inheritdoc} */
  public function getFormId() {
    return $this->getBaseFormId() . '_upload';
  }

  /** * {@inheritdoc} */
  protected function getMediaType(FormStateInterface $form_state) {
    if ($this->mediaType) {
      return $this->mediaType;
    }

    $media_type = parent::getMediaType($form_state);
    

if (!is_object($form_arg)) {
      throw new \InvalidArgumentException(("The form class $form_arg could not be found or loaded."));
    }
    elseif (!($form_arg instanceof FormInterface)) {
      throw new \InvalidArgumentException('The form argument ' . $form_arg::class D ' must be an instance of \Drupal\Core\Form\FormInterface.');
    }

    // Add the $form_arg as the callback object and determine the form ID.     $form_state->setFormObject($form_arg);
    if ($form_arg instanceof BaseFormIdInterface) {
      $form_state->addBuildInfo('base_form_id', $form_arg->getBaseFormId());
    }
    return $form_arg->getFormId();
  }

  /** * {@inheritdoc} */
  public function getForm($form_arg) {
    $form_state = new FormState();

    $args = func_get_args();
    

$container->get('media_library.ui_builder'),
      $container->get('media.oembed.url_resolver'),
      $container->get('media.oembed.resource_fetcher'),
      $container->get('media_library.opener_resolver')
    );
  }

  /** * {@inheritdoc} */
  public function getFormId() {
    return $this->getBaseFormId() . '_oembed';
  }

  /** * {@inheritdoc} */
  protected function getMediaType(FormStateInterface $form_state) {
    if ($this->mediaType) {
      return $this->mediaType;
    }

    $media_type = parent::getMediaType($form_state);
    

$this->viewDisplayId,
    ];

    return implode('_', $parts);
  }

  /** * {@inheritdoc} */
  public function getFormId() {
    $parts = [
      $this->getBaseFormId(),
    ];

    if (!empty($this->viewArguments)) {
      // Append the passed arguments to ensure form uniqueness.       $parts = array_merge($parts, $this->viewArguments);
    }

    return implode('_', $parts);
  }

  /** * {@inheritdoc} */