public void setLastSuccessful(@NonNls String userName, @NonNls String method) {
    if (null == method || method.length() == 0) {
      myLastSuccessful.remove(userName);
    }
    else {
      myLastSuccessful.put(userName, method);
    }
  }
public void setLastSuccessful(@NonNls String userName, @NonNls String method)