@Nullable
  public Pair<PsiType, PsiType> bindTypeParameters(PsiType from, PsiType to, final PsiMethod method, final PsiExpression context,
                                                   final TypeMigrationLabeler labeler) {
    return null;
  }
@Nullable
  public Pair<PsiType, PsiType> bindTypeParameters(PsiType from, PsiType to, final PsiMethod method, final PsiExpression context,
                                                   final TypeMigrationLabeler labeler)