private static void createMethod(ExtractMethodInfoHelper helper, PsiClass owner) {
    final GrMethod method = ExtractUtil.createMethod(helper);
    PsiElement anchor = calculateAnchorToInsertBefore(owner, helper.getContext());
    GrMethod newMethod = (GrMethod)owner.addBefore(method, anchor);
    renameParameterOccurrences(newMethod, helper);
    JavaCodeStyleManager.getInstance(newMethod.getProject()).shortenClassReferences(newMethod);
    PsiElement prev = newMethod.getPrevSibling();
    if (!PsiUtil.isLineFeed(prev)) {
      newMethod.getParent().getNode().addLeaf(GroovyTokenTypes.mNLS, "\n", newMethod.getNode());
    }
  }
private static void createMethod(ExtractMethodInfoHelper helper, PsiClass owner)