GPR authentication support

node_modules/deprecation/dist-node/index.js

@@ -0,0 +1,20 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+class Deprecation extends Error {
+  constructor(message) {
+    super(message); // Maintains proper stack trace (only available on V8)
+
+    /* istanbul ignore next */
+
+    if (Error.captureStackTrace) {
+      Error.captureStackTrace(this, this.constructor);
+    }
+
+    this.name = 'Deprecation';
+  }
+
+}
+
+exports.Deprecation = Deprecation;