'#description'=>$this->t('Autoplay the videos for users without the "never autoplay videos" permission. Roles with this permission will bypass this setting.'),
'#default_value'=>$this->getSetting('autoplay'),
];
$elements['responsive']=[
'#title'=>t('Responsive Video'),
'#title'=>$this->t('Responsive Video'),
'#type'=>'checkbox',
'#description'=>$this->t("Make the video fill the width of it's container, adjusting to the size of the user's screen."),
'#description'=>t('Restrict users from entering information from the following providers. If none are selected any video provider can be used.'),
'#title'=>$this->t('Allowed Providers'),
'#description'=>$this->t('Restrict users from entering information from the following providers. If none are selected any video provider can be used.'),