public ExtensionsRequestBuilder(Dictionary<string, object> pathParameters, IRequestAdapter requestAdapter) {
_ = pathParameters ?? throw new ArgumentNullException(nameof(pathParameters));
_ = requestAdapter ?? throw new ArgumentNullException(nameof(requestAdapter));
UrlTemplate = "{+baseurl}/users/{user%2Did}/contactFolders/{contactFolder%2Did}/childFolders/{contactFolder%2Did1}/contacts/{contact%2Did}/extensions{?%24top,%24skip,%24filter,%24count,%24orderby,%24select,%24expand}";
var urlTplParams = new Dictionary<string, object>(pathParameters);
PathParameters = urlTplParams;
RequestAdapter = requestAdapter;
}
/// <summary>
