boolean function ( ) { return define ; }
returns true if this is a define , false if an undefine . concode_field_sep String ifCond concode_elem_sep String name concode_elem_sep String unlessCond concode_elem_sep boolean define concode_field_sep void setName concode_elem_sep void setUnless concode_elem_sep String getValue concode_elem_sep String getName concode_elem_sep UndefineArgument[] merge concode_elem_sep void setIf concode_elem_sep boolean isActive concode_elem_sep void execute