// This will initally be the inner proxy, then switch over to the
// service implementation.
classFab.addField("_inner", getConfigurationType());
classFab.addMethod(
Modifier.PUBLIC | Modifier.SYNCHRONIZED | Modifier.FINAL,
new MethodSignature(void.class, "_setInner", new Class[]
{ getConfigurationType() }, null),
"{ _inner = $1; }");