@Nullable
  Invocation getInvocation(Method method) {
    Invocation invocation = myInvocations.get(method);
    if (invocation == null) {
      invocation = genericInfo.createInvocation(getInternedMethod(method));
      if (invocation != null) {
        myInvocations.put(method, invocation);
      }
    }
    return invocation;
  }
@Nullable
  Invocation getInvocation(Method method)