module/FzyCommon/src/FzyCommon/Service/Update/Base.php
protected function getExcludedFieldsForEntityTag($entityTag)
    {
        $excludedFields = $this->getExcludedFields();

        return
            isset($excludedFields[$entityTag]) ?
                $excludedFields[$entityTag] :
                array();
    }
protected function getExcludedFieldsForEntityTag($entityTag)
    {
        $excludedFields = $this->getExcludedFields();

        return
            isset($excludedFields[$entityTag]) ?
                $excludedFields[$entityTag] :
                array();
    }
Given a tag (like contact) get a list of fields that need
to be excluded from the form.

@param  string $entityTag
@return null   | array