@Override
    public void rename(String oldName, String newName, ChainContext context) {
      if(oldName.equals(newName)) return;
      PsiExpression qualifier = myMethodRef.getQualifierExpression();
      if(qualifier == null) return;
      qualifier = replaceVarReference(qualifier, oldName, newName, context);
      myMethodRef = fromText(context, qualifier.getText()+"::"+myMethodRef.getReferenceName());
    }
@Override
    public void rename(String oldName, String newName, ChainContext context)