Use union for FileSystemDirectoryHandle (microsoft#2186)

saschanaz · web-flow · commit cf21d7ef0700 · 2025-10-03T23:11:07.000Z
Co-authored-by: saschanaz &lt;saschanaz@users.noreply.github.com&gt;
diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
@@ -40739,10 +40739,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
@@ -12056,10 +12056,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
@@ -11727,10 +11727,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.5/dom.asynciterable.generated.d.ts b/baselines/ts5.5/dom.asynciterable.generated.d.ts
@@ -3,10 +3,10 @@
 /////////////////////////////
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemHandle]>;
-    entries(): AsyncIterableIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): AsyncIterableIterator<string>;
-    values(): AsyncIterableIterator<FileSystemHandle>;
+    values(): AsyncIterableIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStream<R = any> {
diff --git a/baselines/ts5.5/serviceworker.asynciterable.generated.d.ts b/baselines/ts5.5/serviceworker.asynciterable.generated.d.ts
@@ -3,10 +3,10 @@
 /////////////////////////////
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemHandle]>;
-    entries(): AsyncIterableIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): AsyncIterableIterator<string>;
-    values(): AsyncIterableIterator<FileSystemHandle>;
+    values(): AsyncIterableIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStream<R = any> {
diff --git a/baselines/ts5.5/sharedworker.asynciterable.generated.d.ts b/baselines/ts5.5/sharedworker.asynciterable.generated.d.ts
@@ -3,10 +3,10 @@
 /////////////////////////////
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemHandle]>;
-    entries(): AsyncIterableIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): AsyncIterableIterator<string>;
-    values(): AsyncIterableIterator<FileSystemHandle>;
+    values(): AsyncIterableIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStream<R = any> {
diff --git a/baselines/ts5.5/webworker.asynciterable.generated.d.ts b/baselines/ts5.5/webworker.asynciterable.generated.d.ts
@@ -3,10 +3,10 @@
 /////////////////////////////
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemHandle]>;
-    entries(): AsyncIterableIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): AsyncIterableIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): AsyncIterableIterator<string>;
-    values(): AsyncIterableIterator<FileSystemHandle>;
+    values(): AsyncIterableIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStream<R = any> {
diff --git a/baselines/ts5.6/dom.asynciterable.generated.d.ts b/baselines/ts5.6/dom.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.6/serviceworker.asynciterable.generated.d.ts b/baselines/ts5.6/serviceworker.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.6/sharedworker.asynciterable.generated.d.ts b/baselines/ts5.6/sharedworker.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.6/webworker.asynciterable.generated.d.ts b/baselines/ts5.6/webworker.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.9/dom.asynciterable.generated.d.ts b/baselines/ts5.9/dom.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.9/serviceworker.asynciterable.generated.d.ts b/baselines/ts5.9/serviceworker.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.9/sharedworker.asynciterable.generated.d.ts b/baselines/ts5.9/sharedworker.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/ts5.9/webworker.asynciterable.generated.d.ts b/baselines/ts5.9/webworker.asynciterable.generated.d.ts
@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
@@ -13736,10 +13736,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<
 }
 
 interface FileSystemDirectoryHandle {
-    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
-    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;
+    [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
+    entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle | FileSystemFileHandle]>;
     keys(): FileSystemDirectoryHandleAsyncIterator<string>;
-    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;
+    values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle | FileSystemFileHandle>;
 }
 
 interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
@@ -2029,7 +2029,19 @@
                     // It's true that Blink is the only supported engine for Symbol.asyncIterator,
                     // WebKit does support the keys/values/entries method and Gecko will soon follow.
                     // Let's not go back and forth for this one.
-                    "exposed": "Window Worker"
+                    "exposed": "Window Worker",
+                    "type": {
+                        "1": {
+                            "type": [
+                                {
+                                    "type": "FileSystemDirectoryHandle"
+                                },
+                                {
+                                    "type": "FileSystemFileHandle"
+                                }
+                            ]
+                        }
+                    }
                 }
             },
             "MutationRecord": {

Original file line number	Diff line number	Diff line change
`@@ -40739,10 +40739,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<`
`40739`	`40739`	`}`
`40740`	`40740`
`40741`	`40741`	`interface FileSystemDirectoryHandle {`
`40742`		`- [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
`40743`		`- entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
	`40742`	`+ [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
	`40743`	`+ entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
`40744`	`40744`	`keys(): FileSystemDirectoryHandleAsyncIterator<string>;`
`40745`		`- values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;`
	`40745`	`+ values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle \| FileSystemFileHandle>;`
`40746`	`40746`	`}`
`40747`	`40747`
`40748`	`40748`	`interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {`
Original file line number	Diff line number	Diff line change
`@@ -12056,10 +12056,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<`
`12056`	`12056`	`}`
`12057`	`12057`
`12058`	`12058`	`interface FileSystemDirectoryHandle {`
`12059`		`- [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
`12060`		`- entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
	`12059`	`+ [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
	`12060`	`+ entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
`12061`	`12061`	`keys(): FileSystemDirectoryHandleAsyncIterator<string>;`
`12062`		`- values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;`
	`12062`	`+ values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle \| FileSystemFileHandle>;`
`12063`	`12063`	`}`
`12064`	`12064`
`12065`	`12065`	`interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {`
Original file line number	Diff line number	Diff line change
`@@ -11727,10 +11727,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<`
`11727`	`11727`	`}`
`11728`	`11728`
`11729`	`11729`	`interface FileSystemDirectoryHandle {`
`11730`		`- [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
`11731`		`- entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
	`11730`	`+ [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
	`11731`	`+ entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
`11732`	`11732`	`keys(): FileSystemDirectoryHandleAsyncIterator<string>;`
`11733`		`- values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;`
	`11733`	`+ values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle \| FileSystemFileHandle>;`
`11734`	`11734`	`}`
`11735`	`11735`
`11736`	`11736`	`interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {`
Original file line number	Diff line number	Diff line change
`@@ -7,10 +7,10 @@ interface FileSystemDirectoryHandleAsyncIterator<T> extends AsyncIteratorObject<`
`7`	`7`	`}`
`8`	`8`
`9`	`9`	`interface FileSystemDirectoryHandle {`
`10`		`- [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
`11`		`- entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemHandle]>;`
	`10`	`+ [Symbol.asyncIterator](): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
	`11`	`+ entries(): FileSystemDirectoryHandleAsyncIterator<[string, FileSystemDirectoryHandle \| FileSystemFileHandle]>;`
`12`	`12`	`keys(): FileSystemDirectoryHandleAsyncIterator<string>;`
`13`		`- values(): FileSystemDirectoryHandleAsyncIterator<FileSystemHandle>;`
	`13`	`+ values(): FileSystemDirectoryHandleAsyncIterator<FileSystemDirectoryHandle \| FileSystemFileHandle>;`
`14`	`14`	`}`
`15`	`15`
`16`	`16`	`interface ReadableStreamAsyncIterator<T> extends AsyncIteratorObject<T, BuiltinIteratorReturn, unknown> {`