@NotNull
  @Override
  public GrVariableDeclarationStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub) throws IOException {
    return new GrVariableDeclarationStub(
      parentStub,
      GrStubUtils.readNullableString(dataStream)
    );
  }
@NotNull
  @Override
  public GrVariableDeclarationStub deserialize(@NotNull StubInputStream dataStream, StubElement parentStub)