token,
        )
    }
    add(FirJsErrors.NATIVE_GETTER_RETURN_TYPE_SHOULD_BE_NULLABLE) { firDiagnostic ->
        NativeGetterReturnTypeShouldBeNullableImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirJsErrors.NATIVE_SETTER_WRONG_RETURN_TYPE) { firDiagnostic ->
        NativeSetterWrongReturnTypeImpl(

      }
      if (object instanceof MapDifference) {
        MapDifference<?, ?> other = (MapDifference<?, ?>) object;
        return entriesOnlyOnLeft().equals(other.entriesOnlyOnLeft())
            && entriesOnlyOnRight().equals(other.entriesOnlyOnRight())
            && entriesInCommon().equals(other.entriesInCommon())
            && entriesDiffering().equals(other.entriesDiffering());
      }
      return false;
    }

    @Override