public GrInplaceConstantIntroducer(
      GrIntroduceContext context, OccurrencesChooser.ReplaceChoice choice) {
    super(IntroduceConstantHandler.REFACTORING_NAME, choice, context);

    myContext = context;

    myPanel = new GrInplaceIntroduceConstantPanel();

    GrVariable localVar = GrIntroduceHandlerBase.resolveLocalVar(context);
    if (localVar != null) {
      ArrayList<String> result = ContainerUtil.newArrayList(localVar.getName());

      GrExpression initializer = localVar.getInitializerGroovy();
      if (initializer != null) {
        ContainerUtil.addAll(
            result,
            GroovyNameSuggestionUtil.suggestVariableNames(
                initializer, new GroovyInplaceFieldValidator(context), true));
      }
      mySuggestedNames = ArrayUtil.toStringArray(result);
    } else {
      GrExpression expression = context.getExpression();
      assert expression != null;
      mySuggestedNames =
          GroovyNameSuggestionUtil.suggestVariableNames(
              expression, new GroovyInplaceFieldValidator(context), true);
    }
  }
  @NotNull
  public LinkedHashSet<String> suggestNames() {
    final GrExpression expression = myContext.getExpression();
    final GrVariable var = myContext.getVar();
    final StringPartInfo stringPart = myContext.getStringPart();

    if (expression != null) {
      return new LinkedHashSet<String>(
          Arrays.asList(
              GroovyNameSuggestionUtil.suggestVariableNames(expression, myValidator, myForStatic)));
    } else if (stringPart != null) {
      return new LinkedHashSet<String>(
          Arrays.asList(
              GroovyNameSuggestionUtil.suggestVariableNames(
                  stringPart.getLiteral(), myValidator, myForStatic)));
    } else {
      assert var != null;
      return new LinkedHashSet<String>(
          Arrays.asList(
              GroovyNameSuggestionUtil.suggestVariableNameByType(var.getType(), myValidator)));
    }
  }