code: public static TypeAnnotationPosition
          classExtends(final List<TypePathEntry> location,
                       final JCLambda onLambda,
                       final int pos) {
          return classExtends(location, onLambda, 65535, pos);
      }
docs: Create a {@code TypeAnnotationPosition} for a class extension.
  
  @param location The type path.
  @param onLambda The lambda for this variable.
  @param pos The position from the associated tree node.