public function buildOptionsForm(&
$form, FormStateInterface
$form_state) { parent::
buildOptionsForm($form,
$form_state);
if ($this->
canExpose()) { $this->
showExposeButton($form,
$form_state);
} if ($this->
canBuildGroup()) { $this->
showBuildGroupButton($form,
$form_state);
} $form['clear_markup_start'
] =
[ '#markup' => '<div class="clearfix">',
];
if ($this->
isAGroup()) { if ($this->
canBuildGroup()) { $form['clear_markup_start'
] =
[ '#markup' => '<div class="clearfix">',
];
// Render the build group form.
$this->
showBuildGroupForm($form,
$form_state);