src/Charcoal/Admin/Widget/FormGroup/MultiGroupFormGroup.php
protected function formWidget()
    {
        if (!key_exists(self::DATA_SOURCE_METADATA, array_flip($this->dataSources()))) {
            return $this->form();
        }

        return $this;
    }
protected function formWidget()
    {
        if (!key_exists(self::DATA_SOURCE_METADATA, array_flip($this->dataSources()))) {
            return $this->form();
        }

        return $this;
    }
protected function formWidget ( ) { if ( ! key_exists ( self :: DATA_SOURCE_METADATA , array_flip ( $ this -> dataSources ( ) ) ) ) { return $ this -> form ( ) ; } return $ this ; }
So that the formTrait can access the current From widget.

@return FormInterface|self
So that the formTrait can access the current From widget .