@Override
  protected void invokeImpl(Project project, @NotNull PsiClass targetClass) {
    final CreateFieldFix fix = new CreateFieldFix(targetClass);
    fix.doFix(targetClass.getProject(), generateModifiers(targetClass), myReferenceName, calculateTypeConstrains(), getRefExpr());
  }
@Override
  protected void invokeImpl(Project project, @NotNull PsiClass targetClass)