private function getFieldNode($type, $fieldName)
    {
        $nodes = $this->getAllFieldNodes($type, $fieldName);

        return $nodes[0] ?? null;
    }
private function getFieldNode($type, $fieldName)
    {
        $nodes = $this->getAllFieldNodes($type, $fieldName);

        return $nodes[0] ?? null;
    }
private function getFieldNode ( $ type , $ fieldName ) { $ nodes = $ this -> getAllFieldNodes ( $ type , $ fieldName ) ; return $ nodes [ 0 ] ?? null ; }
@param ObjectType|InterfaceType $type
@param string                   $fieldName

@return FieldDefinitionNode|null
@param ObjectType|InterfaceType $type @param string $fieldName