question: implementation of dgmtype interface concode_field_sep ArrayList<DGMType> _children concode_elem_sep DGMType _parent concode_elem_sep String _typeName concode_elem_sep Logger _logger concode_elem_sep Hashtable<String,DGMAttribute> _attributes concode_field_sep Enumeration<DGMType> getChildren concode_elem_sep void setContent concode_elem_sep String getName concode_elem_sep DGMAttribute getAttribute concode_elem_sep Enumeration<DGMAttribute> getAttributes concode_elem_sep void addAttribute concode_elem_sep String toString concode_elem_sep void setParent concode_elem_sep void addChild
target: DGMType function ( ) { return ( _parent ) ; }