private static PsiVariable createVariable(String variableNameRoot, PsiExpression iteratedValue, PsiElement context) {
    final String variableName =
      createVariableName(variableNameRoot, iteratedValue);
    final Project project = context.getProject();
    final PsiType iteratedValueType = iteratedValue.getType();
    assert iteratedValueType != null;
    final PsiElementFactory elementFactory =
      JavaPsiFacade.getElementFactory(project);
    final PsiDeclarationStatement declarationStatement =
      elementFactory.createVariableDeclarationStatement(variableName,
                                                        iteratedValueType, iteratedValue);
    return (PsiVariable)declarationStatement.getDeclaredElements()[0];
  }
private static PsiVariable createVariable(String variableNameRoot, PsiExpression iteratedValue, PsiElement context)