Moved Requests classes to here. Added some checks to requests.

Requests/GetTTSUsers.cs

@@ -1,4 +1,3 @@
-using HermesSocketLibrary.Requests;
 using HermesSocketServer.Services;
 using ILogger = Serilog.ILogger;
 
@@ -7,6 +6,7 @@ namespace HermesSocketServer.Requests
     public class GetTTSUsers : IRequest
     {
         public string Name => "get_tts_users";
+        public string[] RequiredKeys => [];
         private ChannelManager _channels;
         private ILogger _logger;
 
@@ -19,12 +19,9 @@ namespace HermesSocketServer.Requests
         public async Task<RequestResult> Grant(string sender, IDictionary<string, object>? data)
         {
             var channel = _channels.Get(sender);
-            if (channel == null)
-                return new RequestResult(false, null, notifyClientsOnAccount: false);
-            
-            var temp = channel.Chatters.Get().ToDictionary(p => p.Key, p => p.Value.VoiceId);
+            var results = channel.Chatters.Get().ToDictionary(p => p.Key, p => p.Value.VoiceId);
             _logger.Information($"Fetched all chatters' selected tts voice for channel [channel: {sender}]");
-            return new RequestResult(true, temp, notifyClientsOnAccount: false);
+            return RequestResult.Successful(results, notifyClientsOnAccount: false);
         }
     }
 }