protected IssueMatcher addPropertyMatcher(IssuePropertyMatcher propertyMatcher){
  issueMatcher.addPropertyMatcher(Objects.requireNonNull(propertyMatcher));
  return issueMatcher;
}

protected IssueMatcher addPropertyMatcher ( IssuePropertyMatcher propertyMatcher ) { issueMatcher . addPropertyMatcher ( Objects . requireNonNull ( propertyMatcher ) ) ; return issueMatcher ; }
adds the given property matcher to the issue matcher .
