code: private boolean isExcluded(String name, String cmpname, String value) {
          return exclude.contains(excludeKey(name, null, value)) || exclude.contains(excludeKey(name, cmpname, value));
      }
docs: Returns true if the property is to be excluded.
  
  @param name The property name.
  @param cmpname The component name (may be null).
  @param value The property value (may be null).
  @return True if the property should be excluded.