create visiting error in case the visitor could not recognize the visit type . concode_field_sep PlaceHolder placeHolder concode_field_sep T onClass concode_elem_sep T onGenericArray concode_elem_sep T onVariable concode_elem_sep T onWildcard concode_elem_sep T onParameterizedType concode_elem_sep T visit
RuntimeException function ( final Type arg0 ) { throw new IllegalArgumentException ( ) ; }