private static boolean doNotStepInto(ASTNode element) {
    return BasicJavaAstTreeUtil.is(element, CLASS_SET) ||
           BasicJavaAstTreeUtil.is(element, BASIC_CODE_BLOCK) ||
           BasicJavaAstTreeUtil.is(element, STATEMENT_SET) ||
           BasicJavaAstTreeUtil.is(element, BASIC_METHOD);
  }
private static boolean doNotStepInto(ASTNode element)