@Nullable
  @Override
  public String getImportFqn() {
    GrImportStatementStub stub = getGreenStub();
    if (stub != null) {
      return stub.getFqn();
    }
    GrCodeReferenceElement reference = getImportReference();
    return reference == null ? null : reference.getQualifiedReferenceName();
  }
@Nullable
  @Override
  public String getImportFqn()