refactor code

Author: sourabh1007

Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/OpenTelemetryAttributeKeys.cs

@@ -170,6 +170,20 @@ internal sealed class OpenTelemetryAttributeKeys : IActivityAttributePopulator
 
         public const string ErrorType = "error.type";
 
+        public const string NetworkProtocolName = "network.protocol.name";
+
+        public const string ServiceEndpointHost = "network.protocol.host";
+
+        public const string ServiceEndPointPort = "network.protocol.port";
+
+        public const string ServiceEndpointStatusCode = "db.cosmosdb.network.response.status_code";
+        
+        public const string ServiceEndpointSubStatusCode = "db.cosmosdb.network.response.sub_status_code";
+        
+        public const string ServiceEndpointRegion = "cloud.region";
+        
+        public const string ServiceEndpointResourceId = "db.cosmosdb.network.routing_id ";
+
         public void PopulateAttributes(DiagnosticScope scope, 
             string operationName, 
             string databaseName, 
@@ -261,13 +275,5 @@ public KeyValuePair<string, object>[] PopulateOperationMeterDimensions(string op
                 new KeyValuePair<string, object>(OpenTelemetryAttributeKeys.ErrorType, ex?.Message)
             };
         }
-
-        public const string NetworkProtocolName = "network.protocol.name";
-        public const string ServiceEndpointHost = "network.protocol.host";
-        public const string ServiceEndPointPort = "network.protocol.port";
-        public const string ServiceEndpointStatusCode = "db.cosmosdb.network.response.status_code";
-        public const string ServiceEndpointSubStatusCode = "db.cosmosdb.network.response.sub_status_code";
-        public const string ServiceEndpointRegion = "cloud.region";
-        public const string ServiceEndpointResourceId = "db.cosmosdb.network.routing_id ";
     }
 }