Make chunk param of WritableStreamDefaultWriter.write and TransformStreamDefaultController.enqueue non-optional (#2452)

ikeyan · saschanaz · web-flow · commit 1a37a8550e7a · 2026-03-18T06:28:53.000Z
Co-authored-by: saschanaz &lt;saschanaz@users.noreply.github.com&gt;
diff --git a/baselines/audioworklet.generated.d.ts b/baselines/audioworklet.generated.d.ts
@@ -1227,7 +1227,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -1537,7 +1537,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
@@ -37250,7 +37250,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -42094,7 +42094,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
@@ -9313,7 +9313,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12766,7 +12766,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
@@ -8844,7 +8844,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12305,7 +12305,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/audioworklet.generated.d.ts b/baselines/ts5.5/audioworklet.generated.d.ts
@@ -1224,7 +1224,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
@@ -37224,7 +37224,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -42068,7 +42068,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/serviceworker.generated.d.ts b/baselines/ts5.5/serviceworker.generated.d.ts
@@ -9310,7 +9310,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/sharedworker.generated.d.ts b/baselines/ts5.5/sharedworker.generated.d.ts
@@ -8841,7 +8841,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/webworker.generated.d.ts b/baselines/ts5.5/webworker.generated.d.ts
@@ -10468,7 +10468,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/audioworklet.generated.d.ts b/baselines/ts5.6/audioworklet.generated.d.ts
@@ -1224,7 +1224,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
@@ -37247,7 +37247,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -42091,7 +42091,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/serviceworker.generated.d.ts b/baselines/ts5.6/serviceworker.generated.d.ts
@@ -9310,7 +9310,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/sharedworker.generated.d.ts b/baselines/ts5.6/sharedworker.generated.d.ts
@@ -8841,7 +8841,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/webworker.generated.d.ts b/baselines/ts5.6/webworker.generated.d.ts
@@ -10468,7 +10468,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/audioworklet.generated.d.ts b/baselines/ts5.9/audioworklet.generated.d.ts
@@ -1224,7 +1224,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
@@ -37247,7 +37247,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -42091,7 +42091,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/serviceworker.generated.d.ts b/baselines/ts5.9/serviceworker.generated.d.ts
@@ -9310,7 +9310,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/sharedworker.generated.d.ts b/baselines/ts5.9/sharedworker.generated.d.ts
@@ -8841,7 +8841,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/webworker.generated.d.ts b/baselines/ts5.9/webworker.generated.d.ts
@@ -10468,7 +10468,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
@@ -10471,7 +10471,7 @@ interface TransformStreamDefaultController<O = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
      */
-    enqueue(chunk?: O): void;
+    enqueue(chunk: O): void;
     /**
      * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
      *
@@ -14254,7 +14254,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
@@ -2323,6 +2323,7 @@
                                     "param": [
                                         {
                                             "name": "chunk",
+                                            "optional": false,
                                             "overrideType": "W"
                                         }
                                     ]
@@ -2408,6 +2409,7 @@
                                     "param": [
                                         {
                                             "name": "chunk",
+                                            "optional": false,
                                             "overrideType": "O"
                                         }
                                     ]

Original file line number	Diff line number	Diff line change
`@@ -1227,7 +1227,7 @@ interface TransformStreamDefaultController<O = any> {`
`1227`	`1227`	`*`
`1228`	`1228`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`1229`	`1229`	`*/`
`1230`		`- enqueue(chunk?: O): void;`
	`1230`	`+ enqueue(chunk: O): void;`
`1231`	`1231`	`/**`
`1232`	`1232`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`1233`	`1233`	`*`
`@@ -1537,7 +1537,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`1537`	`1537`	`*`
`1538`	`1538`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`1539`	`1539`	`*/`
`1540`		`- write(chunk?: W): Promise<void>;`
	`1540`	`+ write(chunk: W): Promise<void>;`
`1541`	`1541`	`}`
`1542`	`1542`
`1543`	`1543`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -37250,7 +37250,7 @@ interface TransformStreamDefaultController<O = any> {`
`37250`	`37250`	`*`
`37251`	`37251`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`37252`	`37252`	`*/`
`37253`		`- enqueue(chunk?: O): void;`
	`37253`	`+ enqueue(chunk: O): void;`
`37254`	`37254`	`/**`
`37255`	`37255`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`37256`	`37256`	`*`
`@@ -42094,7 +42094,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`42094`	`42094`	`*`
`42095`	`42095`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`42096`	`42096`	`*/`
`42097`		`- write(chunk?: W): Promise<void>;`
	`42097`	`+ write(chunk: W): Promise<void>;`
`42098`	`42098`	`}`
`42099`	`42099`
`42100`	`42100`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -9313,7 +9313,7 @@ interface TransformStreamDefaultController<O = any> {`
`9313`	`9313`	`*`
`9314`	`9314`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`9315`	`9315`	`*/`
`9316`		`- enqueue(chunk?: O): void;`
	`9316`	`+ enqueue(chunk: O): void;`
`9317`	`9317`	`/**`
`9318`	`9318`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`9319`	`9319`	`*`
`@@ -12766,7 +12766,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12766`	`12766`	`*`
`12767`	`12767`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12768`	`12768`	`*/`
`12769`		`- write(chunk?: W): Promise<void>;`
	`12769`	`+ write(chunk: W): Promise<void>;`
`12770`	`12770`	`}`
`12771`	`12771`
`12772`	`12772`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -8844,7 +8844,7 @@ interface TransformStreamDefaultController<O = any> {`
`8844`	`8844`	`*`
`8845`	`8845`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`8846`	`8846`	`*/`
`8847`		`- enqueue(chunk?: O): void;`
	`8847`	`+ enqueue(chunk: O): void;`
`8848`	`8848`	`/**`
`8849`	`8849`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`8850`	`8850`	`*`
`@@ -12305,7 +12305,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12305`	`12305`	`*`
`12306`	`12306`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12307`	`12307`	`*/`
`12308`		`- write(chunk?: W): Promise<void>;`
	`12308`	`+ write(chunk: W): Promise<void>;`
`12309`	`12309`	`}`
`12310`	`12310`
`12311`	`12311`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -1224,7 +1224,7 @@ interface TransformStreamDefaultController<O = any> {`
`1224`	`1224`	`*`
`1225`	`1225`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`1226`	`1226`	`*/`
`1227`		`- enqueue(chunk?: O): void;`
	`1227`	`+ enqueue(chunk: O): void;`
`1228`	`1228`	`/**`
`1229`	`1229`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`1230`	`1230`	`*`
`@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`1534`	`1534`	`*`
`1535`	`1535`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`1536`	`1536`	`*/`
`1537`		`- write(chunk?: W): Promise<void>;`
	`1537`	`+ write(chunk: W): Promise<void>;`
`1538`	`1538`	`}`
`1539`	`1539`
`1540`	`1540`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -37224,7 +37224,7 @@ interface TransformStreamDefaultController<O = any> {`
`37224`	`37224`	`*`
`37225`	`37225`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`37226`	`37226`	`*/`
`37227`		`- enqueue(chunk?: O): void;`
	`37227`	`+ enqueue(chunk: O): void;`
`37228`	`37228`	`/**`
`37229`	`37229`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`37230`	`37230`	`*`
`@@ -42068,7 +42068,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`42068`	`42068`	`*`
`42069`	`42069`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`42070`	`42070`	`*/`
`42071`		`- write(chunk?: W): Promise<void>;`
	`42071`	`+ write(chunk: W): Promise<void>;`
`42072`	`42072`	`}`
`42073`	`42073`
`42074`	`42074`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -9310,7 +9310,7 @@ interface TransformStreamDefaultController<O = any> {`
`9310`	`9310`	`*`
`9311`	`9311`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`9312`	`9312`	`*/`
`9313`		`- enqueue(chunk?: O): void;`
	`9313`	`+ enqueue(chunk: O): void;`
`9314`	`9314`	`/**`
`9315`	`9315`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`9316`	`9316`	`*`
`@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12763`	`12763`	`*`
`12764`	`12764`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12765`	`12765`	`*/`
`12766`		`- write(chunk?: W): Promise<void>;`
	`12766`	`+ write(chunk: W): Promise<void>;`
`12767`	`12767`	`}`
`12768`	`12768`
`12769`	`12769`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -8841,7 +8841,7 @@ interface TransformStreamDefaultController<O = any> {`
`8841`	`8841`	`*`
`8842`	`8842`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`8843`	`8843`	`*/`
`8844`		`- enqueue(chunk?: O): void;`
	`8844`	`+ enqueue(chunk: O): void;`
`8845`	`8845`	`/**`
`8846`	`8846`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`8847`	`8847`	`*`
`@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12302`	`12302`	`*`
`12303`	`12303`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12304`	`12304`	`*/`
`12305`		`- write(chunk?: W): Promise<void>;`
	`12305`	`+ write(chunk: W): Promise<void>;`
`12306`	`12306`	`}`
`12307`	`12307`
`12308`	`12308`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -10468,7 +10468,7 @@ interface TransformStreamDefaultController<O = any> {`
`10468`	`10468`	`*`
`10469`	`10469`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)`
`10470`	`10470`	`*/`
`10471`		`- enqueue(chunk?: O): void;`
	`10471`	`+ enqueue(chunk: O): void;`
`10472`	`10472`	`/**`
`10473`	`10473`	* The `error()` method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
`10474`	`10474`	`*`
`@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`14251`	`14251`	`*`
`14252`	`14252`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`14253`	`14253`	`*/`
`14254`		`- write(chunk?: W): Promise<void>;`
	`14254`	`+ write(chunk: W): Promise<void>;`
`14255`	`14255`	`}`
`14256`	`14256`
`14257`	`14257`	`declare var WritableStreamDefaultWriter: {`