Link::validateFieldDefinition

static function validateFieldDefinition(array $field)
{
	$result = parent::validateFieldDefinition($field);
	if (empty($result))
	{
		return null;
	}

	$field['actions'] = static::prepareActions($field);
	if (empty($field['actions']))
	{
		return null;
	}

	$result['actions'] = $field['actions'];
	return $result;
}