From 9636a35e0ff501f55870b9eafe94d520eebf4b76 Mon Sep 17 00:00:00 2001
From: Matteo Collina <hello@matteocollina.com>
Date: Fri, 29 Mar 2019 17:14:48 +0100
Subject: [PATCH 1/2] stream: make async iteration stable

---
 doc/api/stream.md       | 6 +++++-
 lib/_stream_readable.js | 2 --
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/doc/api/stream.md b/doc/api/stream.md
index df171b95369741..e0cc35892cfe7e 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -1270,9 +1270,13 @@ myReader.on('readable', () => {
 ##### readable\[Symbol.asyncIterator\]()
 <!-- YAML
 added: v10.0.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/26989
+    description: AsyncIterator support is not experimental anymore.
 -->
 
-> Stability: 1 - Experimental
+> Stability: 2 - Stable
 
 * Returns: {AsyncIterator} to fully consume the stream.
 
diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
index 81e8de310c240f..d813bcc07f6083 100644
--- a/lib/_stream_readable.js
+++ b/lib/_stream_readable.js
@@ -45,7 +45,6 @@ const {
   ERR_METHOD_NOT_IMPLEMENTED,
   ERR_STREAM_UNSHIFT_AFTER_END_EVENT
 } = require('internal/errors').codes;
-const { emitExperimentalWarning } = require('internal/util');
 
 // Lazy loaded to improve the startup performance.
 let StringDecoder;
@@ -1036,7 +1035,6 @@ Readable.prototype.wrap = function(stream) {
 };
 
 Readable.prototype[Symbol.asyncIterator] = function() {
-  emitExperimentalWarning('Readable[Symbol.asyncIterator]');
   if (createReadableStreamAsyncIterator === undefined) {
     createReadableStreamAsyncIterator =
       require('internal/streams/async_iterator');

From 8df8328b142fd759189fd70dd30cce779f4c9583 Mon Sep 17 00:00:00 2001
From: Matteo Collina <hello@matteocollina.com>
Date: Mon, 1 Apr 2019 10:07:57 +0200
Subject: [PATCH 2/2] readline: make AsyncIterator stable

---
 doc/api/readline.md | 6 +++++-
 lib/readline.js     | 3 ---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/doc/api/readline.md b/doc/api/readline.md
index 4db4b0f899cae6..b14a4007922f41 100644
--- a/doc/api/readline.md
+++ b/doc/api/readline.md
@@ -312,9 +312,13 @@ The `rl.write()` method will write the data to the `readline` `Interface`'s
 ### rl\[Symbol.asyncIterator\]()
 <!-- YAML
 added: v11.4.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/26989
+    description: AsyncIterator support is not experimental anymore.
 -->
 
-> Stability: 1 - Experimental
+> Stability: 2 - Stable
 
 * Returns: {AsyncIterator}
 
diff --git a/lib/readline.js b/lib/readline.js
index 67e71fee4164fc..8539e84daa5420 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -33,7 +33,6 @@ const {
 } = require('internal/errors').codes;
 const { validateString } = require('internal/validators');
 const { inspect } = require('internal/util/inspect');
-const { emitExperimentalWarning } = require('internal/util');
 const EventEmitter = require('events');
 const {
   CSI,
@@ -1068,8 +1067,6 @@ Interface.prototype._ttyWrite = function(s, key) {
 };
 
 Interface.prototype[Symbol.asyncIterator] = function() {
-  emitExperimentalWarning('readline Interface [Symbol.asyncIterator]');
-
   if (this[kLineObjectStream] === undefined) {
     if (Readable === undefined) {
       Readable = require('stream').Readable;