public static IEdmModel BuildEdmModel(ODataModelBuilder builder)
        {
            if (builder == null)
            {
                throw Error.ArgumentNull("builder");
            }

            EdmModel           model     = new EdmModel();
            EdmEntityContainer container = new EdmEntityContainer(builder.Namespace, builder.ContainerName);

            // add types and sets, building an index on the way.
            Dictionary <string, IEdmStructuredType> edmTypeMap      = model.AddTypes(builder.StructuralTypes);
            Dictionary <string, EdmEntitySet>       edmEntitySetMap = model.AddEntitySets(builder.EntitySets, container, edmTypeMap);

            // add procedures
            container.AddProcedures(builder.Procedures, edmTypeMap, edmEntitySetMap);

            // finish up
            model.AddElement(container);
            return(model);
        }