private @NotNull LookupElementPresentation copyPresentation() {
    final LookupElementPresentation presentation = new LookupElementPresentation();
    if (myHardcodedPresentation != null) {
      presentation.copyFrom(myHardcodedPresentation);
    } else {
      presentation.setItemText(myLookupString);
    }
    return presentation;
  }
private @NotNull LookupElementPresentation copyPresentation()