//Create adapter data access, where OrderContext your DbContext
DbContextOptions contextOptions = OrderContextOptions.Create(useRelationalNulls: true);
var dataAdapter = new OeEfCoreDataAdapter<Model.OrderContext>(contextOptions)
{
  IsDatabaseNullHighestValue = true //PostgreSql
};
//Create query parser
var parser = new OeParser(new Uri("https://dummy"), dataAdapter.BuildEdmModel());
//Query
var uri = new Uri("https://dummy/Orders?$select=Name&$orderby=Date");
//Set max page size
OeRequestHeaders requestHeaders = OeRequestHeaders.JsonDefault.SetMaxPageSize(10);
//The result of the query
var response = new MemoryStream();
//Execute query
await parser.ExecuteGetAsync(uri, requestHeaders, response, CancellationToken.None);

//Create model bound provider
var modelBoundFluentBuilder = new Query.Builder.OeModelBoundFluentBuilder(edmModel);
modelBoundFluentBuilder.EntitySet<Model.Order>("Orders").EntityType
    .Page(2, -1)
    .Property(o => o.Items).Page(2, -1);
OeModelBoundProvider modelBoundProvider = modelBoundFluentBuilder.BuildProvider();