code: protected void reset() {
      attributeStatics = new StringBuilder();
      functionGroupStatics = new StringBuilder();
      properties = new StringBuilder();
      constructor = new StringBuilder();
      gettersSetters = new StringBuilder();
      equals = new StringBuilder();
      hashCode = new StringBuilder();
      toString = new StringBuilder();
      footer = new StringBuilder();
    }
docs: Resets all of the buffers.
  
  This is needed if you intend to reuse the visitor. This is always called by visit(CpoClass)