public IssueMatcher add(){
  IssueMatcher issueMatcher=new IssueMatcher();
  issueMatchers.add(issueMatcher);
  return issueMatcher;
}

public IssueMatcher add ( ) { IssueMatcher issueMatcher = new IssueMatcher ( ) ; issueMatchers . add ( issueMatcher ) ; return issueMatcher ; }
creates a new issue matcher and adds it to this matcher .
