@NotNull
  private static String getNewNameForField(@NotNull PsiField field) {
    PsiClass containingClass = field.getContainingClass();
    LOG.assertTrue(containingClass != null);
    return GrTraitUtil.getTraitFieldPrefix(containingClass) + field.getName();
  }
@NotNull
  private static String getNewNameForField(@NotNull PsiField field)