src/Field/Composite/ForeignKeyField.php
public function getFields()
    {
        return [(new IntegerField($this->getName()))->unsigned(true)->size($this->getSize())->required($this->isRequired())];
    }
public function getFields()
    {
        return [(new IntegerField($this->getName()))->unsigned(true)->size($this->getSize())->required($this->isRequired())];
    }
public function getFields ( ) { return [ ( new IntegerField ( $ this -> getName ( ) ) ) -> unsigned ( true ) -> size ( $ this -> getSize ( ) ) -> required ( $ this -> isRequired ( ) ) ] ; }
Return fields that this field is composed of.

@return FieldInterface[]
Return fields that this field is composed of .