public Task <QueryContainer> BuildQueryAsync(IQueryNode query, IElasticQueryVisitorContext context = null) { if (context == null) { context = new ElasticQueryVisitorContext(); } var q = query.GetQuery() ?? new MatchAllQuery(); if (context?.UseScoring == false) { q = new BoolQuery { Filter = new QueryContainer[] { q } }; } return(Task.FromResult <QueryContainer>(q)); }