@NotNull
  @Override
  public GrReferenceExpression createReferenceExpressionFromText(@NotNull String idText) {
    GroovyFileBase file = createGroovyFileChecked(idText);
    final GrTopStatement[] statements = file.getTopStatements();
    if (!(statements.length == 1 && statements[0] instanceof GrReferenceExpression)) throw new IncorrectOperationException(idText);
    return (GrReferenceExpression) statements[0];
  }
@NotNull
  @Override
  public GrReferenceExpression createReferenceExpressionFromText(@NotNull String idText)