public boolean equals(final Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    final DomElementProblemDescriptorImpl that = (DomElementProblemDescriptorImpl)o;

    if (!Objects.equals(myDomElement, that.myDomElement)) return false;
    if (!myMessage.equals(that.myMessage)) return false;
    return mySeverity.equals(that.mySeverity);
  }
public boolean equals(final Object o)