@Override
  @NotNull
  protected PsiType getBuilderFieldType(@NotNull PsiType psiFieldType, @NotNull Project project) {
    final PsiManager psiManager = PsiManager.getInstance(project);
    final PsiType keyType = getKeyType(psiFieldType, psiManager);
    final PsiType valueType = getValueType(psiFieldType, psiManager);

    return PsiTypeUtil.createCollectionType(psiManager, collectionQualifiedName + ".Builder", keyType, valueType);
  }
@Override
  @NotNull
  protected PsiType getBuilderFieldType(@NotNull PsiType psiFieldType, @NotNull Project project)