= array(
'activity' => 'activity',
'block' => 'block',
'css_element' => 'css_element',
'dialogue' => 'dialogue',
'fieldset' => 'fieldset',
'icon' => 'icon',
'list_item' => 'list_item',
'question' => 'question',
'region' => 'region',
'section' => 'section',
'table' => 'table',
'table_row' => 'table_row',
'xpath_element' => 'xpath_element',
'form_row' => 'form_row',
'group_message_header' => 'group_message_header',
'group_message' => 'group_message',
'autocomplete' => 'autocomplete',
'iframe' => 'iframe',
)
Allowed types when using text selectors arguments.