1protected $_standardTypes = [
2 'button',
3 'checkbox',
4 'checkboxes',
5 'column',
6 'date',
7 'editablemultiselect',
8 'editor',
9 'fieldset',
10 'file',
11 'gallery',
12 'hidden',
13 'image',
14 'imagefile',
15 'label',
16 'link',
17 'multiline',
18 'multiselect',
19 'note',
20 'obscure',
21 'password',
22 'radio',
23 'radios',
24 'reset',
25 'select',
26 'submit',
27 'text',
28 'textarea',
29 'time',
30 ];
Source : https://github.com/magento/magento2/blob/2335247d4ae2dc1e0728ee73022b0a244ccd7f4c/lib/internal/Magento/Framework/Data/Form/Element/Factory.php#L26-L55