the default implementation does nothing . concode_field_sep PlaceHolder placeHolder concode_field_sep void enterSec concode_elem_sep void exitValue concode_elem_sep void enterTop concode_elem_sep void enterValue concode_elem_sep void exitHead concode_elem_sep void exitSec concode_elem_sep void enterHead concode_elem_sep void exitTop concode_elem_sep void exitEveryRule concode_elem_sep void visitErrorNode concode_elem_sep void enterIgnore concode_elem_sep void enterVal concode_elem_sep void enterEveryRule concode_elem_sep void exitVal concode_elem_sep void exitIgnore
void function ( TerminalNode arg0 ) { }