feat(dynamicModel): add dynamic model and meta files

Author: mamoonraja

Authentication.meta

@@ -100,10 +100,6 @@ private static Authenticator CreateAuthenticator(Dictionary<string, string> prop
             {
                 authenticator = new BearerTokenAuthenticator(props);
             }
-            else
-            {
-                throw new ArgumentException(string.Format(ErrorMessageAuthTypeUnknown, authType));
-            }
 
             return authenticator;
         }

Authentication/Authenticator.cs.meta

@@ -0,0 +1,108 @@
+/**
+* Copyright 2019 IBM Corp. All Rights Reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*/
+
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System.Collections.Generic;
+
+namespace IBM.Cloud.SDK.Model
+{
+    /// <summary>
+    /// This class is the base class for generated models with restricted additional properties.
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public class DynamicModel<T>
+    {
+        /// <summary>
+        /// A Dictionary to keep restricted additional properties.
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JToken> AdditionalProperties { get; } = new Dictionary<string, JToken>();
+
+        /// <summary>
+        /// Add a property to the AdditionalProperties dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
+        public void Add(string key, T value)
+        {
+            AdditionalProperties.Add(key, JToken.FromObject(value));
+        }
+
+        /// <summary>
+        /// Remove a property from the AdditionalProperties dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        public void Remove(string key)
+        {
+            AdditionalProperties.Remove(key);
+        }
+
+        /// <summary>
+        /// Get a single property from the AdditionalProperties dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public T Get(string key)
+        {
+            AdditionalProperties.TryGetValue(key, out JToken value);
+            return value.ToObject<T>();
+        }
+    }
+
+    /// <summary>
+    /// This class is the base class for generated models with arbitrary additional properties.
+    /// </summary>
+    public class DynamicModel
+    {
+        /// <summary>
+        /// A Dictionary to keep arbitrary additional properties.
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JToken> AdditionalProperties { get; } = new Dictionary<string, JToken>();
+
+        /// <summary>
+        /// Add a property to the AdditionalProperties dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
+        public void Add(string key, object value)
+        {
+            AdditionalProperties.Add(key, JToken.FromObject(value));
+        }
+
+        /// <summary>
+        /// Remove a property from the AdditionalProperties dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        public void Remove(string key)
+        {
+            AdditionalProperties.Remove(key);
+        }
+
+        /// <summary>
+        /// Get a single property from the AdditionalProperties dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public JToken Get(string key)
+        {
+            AdditionalProperties.TryGetValue(key, out JToken value);
+            return value;
+        }
+    }
+}