public static void DeployInternalTypes(SessionBase session, string outputDirectory)
{
if (!Directory.Exists(outputDirectory))
{
Directory.CreateDirectory(outputDirectory);
}
session.DeployGenerateReaderWriter(typeof(Graph), outputDirectory);
session.DeployGenerateReaderWriter(typeof(PropertyType), outputDirectory);
session.DeployGenerateReaderWriter(typeof(VertexType), outputDirectory);
session.DeployGenerateReaderWriter(typeof(EdgeType), outputDirectory);
//session.DeployGenerateReaderWriter(typeof(BTreeBase<VertexId, VertexId>), outputDirectory);
//session.DeployGenerateReaderWriter(typeof(BTreeSet<VertexId>), outputDirectory);
}