1 files changed, 6 insertions, 2 deletions
diff --git a/lib/internal/http2/util.js b/lib/internal/http2/util.js
index f62d936025..0a3faa2355 100644
--- a/lib/internal/http2/util.js
+++ b/lib/internal/http2/util.js
@@ -10,6 +10,8 @@ const {
 } = require('internal/errors').codes;
 
 const kSocket = Symbol('socket');
+const kProxySocket = Symbol('proxySocket');
+const kRequest = Symbol('request');
 
 const {
   NGHTTP2_SESSION_CLIENT,
@@ -499,12 +501,12 @@ class NghttpError extends Error {
   }
 }
 
-function assertIsObject(value, name, types = 'Object') {
+function assertIsObject(value, name, types) {
   if (value !== undefined &&
       (value === null ||
        typeof value !== 'object' ||
        Array.isArray(value))) {
-    const err = new ERR_INVALID_ARG_TYPE(name, types, value);
+    const err = new ERR_INVALID_ARG_TYPE(name, types || 'Object', value);
     Error.captureStackTrace(err, assertIsObject);
     throw err;
   }
@@ -592,6 +594,8 @@ module.exports = {
   getStreamState,
   isPayloadMeaningless,
   kSocket,
+  kProxySocket,
+  kRequest,
   mapToHeaders,
   NghttpError,
   sessionName,