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