var descriptor = new SearchDescriptor<EmployeeDocument>()
                .Index("employees").Type("employee").From(page - 1).Size(pageSize)
                .Suggest(
                s => s.Completion(
                    "my-completion-suggest",
                    c => c
                    .Field(f1 => f1.Description)
                    .Field(f1 => f1.empfirstname)
                    .Contexts(
                        queriesDescriptor => queriesDescriptor.Context(
                            "query-descriptor",
                            queryDescriptor => queryDescriptor.Prefix(true).Context(query)))));
            var response3 = await this.client.SearchAsync<EmployeeDocument>(descriptor);

Invalid NEST response built from a unsuccessful low level call on POST: /employees/employee/_search
 Audit trail of this API call:
 - [1] BadResponse: Node: http://192.168.2.29:9200/ Took: 00:00:00.3543244
 ServerError: ServerError: 400Type: search_phase_execution_exception Reason: "all shards failed"

var results1 = await service.SearchAsync("brenda", page, pageSize);
var results8 = await service.SearchAsync("something else", page, pageSize);

[ElasticsearchType(Name = "employee")]
        public class EmployeeDocument
        {
            //[Text(Name = "pkempid")]
            public long pkempid { get; set; }

            //[Text(Name = "empfirstname")]
            public string empfirstname { get; set; }
        }