Revize f281acac

re #9566 Added InfoFetcher.cs, modified some other files (a bit of refactoring)

ld_client/LDClient/network/data/Payload.cs

@@ -8 +8 @@
     public class Payload {
 
         [JsonPropertyName("username")]
-        public string UserName { get; set; }
+        public string? UserName { get; set; }
 
         [JsonPropertyName("hostname")]
-        public string HostName { get; set; }
+        public string? HostName { get; set; }
 
         [JsonPropertyName("timestamp")]
         //[Newtonsoft.Json.JsonConverter(typeof(DateFormatConverter), "yyyy-MM-dd HH:mm:ss.ffffff")]
-        public DateTime TimeStamp { get; set; }
+        public string? TimeStamp { get; set; }
 
         [JsonPropertyName("head_device")]
-        public DebuggerInfo HeadDevice { get; set; }
+        public DebuggerInfo? HeadDevice { get; set; }
 
 
         [JsonPropertyName("body_device")]
-        public DebuggerInfo  BodyDevice { get; set; }
+        public DebuggerInfo?  BodyDevice { get; set; }
         
         [JsonPropertyName("status")]
         //[Newtonsoft.Json.JsonConverter(typeof(StringEnumConverter))]