public List <ServiceEdgeType> GetAllEdgeTypes(SecurityToken mySecurityToken, Int64 myTransactionToken,
String myEdition)
{
var Request = ServiceRequestFactory.MakeRequestGetAllEdgeTypes(myEdition);
var Response = this.GraphDS.GetAllEdgeTypes <IEnumerable <IEdgeType> >(mySecurityToken, myTransactionToken, Request,
ServiceReturnConverter.ConvertOnlyEdgeTypes);
return(Response.Select(x => new ServiceEdgeType(x)).ToList());
}