MirroredTypesExceptionProxy(List<TypeMirror> ts) 
{
            types = ts;
            typeStrings = ts.toString();
}

 public boolean equals(Object obj) 
{
            return types != null &&
                   obj instanceof MirroredTypesExceptionProxy &&
                   types.equals(
                      ((MirroredTypesExceptionProxy) obj).types);
}

 protected RuntimeException generateException() 
{
            return new MirroredTypesException(types);
}

 public int hashCode() 
{
            return (types != null ? types : typeStrings).hashCode();
}

 public String toString() 
{
            return typeStrings;
}