@Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    UnknownCredentialsHolder holder = (UnknownCredentialsHolder)o;
    return Objects.equals(mySdkId, holder.mySdkId) &&
           Objects.equals(myElement, holder.myElement);
  }
@Override
  public boolean equals(Object o)