@Override
 public int hashCode() {
   int result = super.hashCode();
   result = 31 * result + (config != null ? config.hashCode() : 0);
   result = 31 * result + (cause != null ? cause.hashCode() : 0);
   return result;
 }
 @Override
 public int hashCode() {
   int result = myClassName.hashCode();
   result = 31 * result + myMethodName.hashCode();
   result = 31 * result + (myThrowable != null ? myThrowable.hashCode() : 0);
   result = 31 * result + (myParams != null ? Arrays.hashCode(myParams) : 0);
   return result;
 }
 @Override
 public int hashCode() {
   int hashCode = message.hashCode();
   if (cause != null) {
     hashCode += 1009 * cause.hashCode();
   }
   return hashCode;
 }