diff --git a/package-lock.json b/package-lock.json
index e921256..01e2286 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "native-file-system-adapter",
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+  "version": "2.0.1",
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+      "version": "2.0.1",
       "funding": [
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@@ -23,12 +23,12 @@
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-        "tape": "^5.2.2"
+        "tape": "^5.2.2",
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@@ -182,35 +168,6 @@
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@@ -266,15 +223,6 @@
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@@ -378,38 +326,6 @@
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@@ -461,22 +368,6 @@
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@@ -555,12 +446,6 @@
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@@ -1444,27 +1329,6 @@
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@@ -1739,12 +1603,6 @@
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@@ -1781,15 +1639,6 @@
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@@ -1799,18 +1648,6 @@
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@@ -1874,18 +1711,6 @@
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       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@@ -3851,12 +3544,6 @@
         "sprintf-js": "~1.0.2"
       }
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-      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
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@@ -3930,29 +3617,6 @@
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-      "dev": true
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-      "resolved": "https://registry.npmjs.org/browser-names/-/browser-names-1.1.0.tgz",
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-      "dev": true
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-      "resolved": "https://registry.npmjs.org/browser-provider/-/browser-provider-1.2.0.tgz",
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-      "dev": true,
-      "requires": {
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-        "browser-manifest": "^1.0.0",
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-      }
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@@ -3975,12 +3639,6 @@
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       "dev": true
     },
-    "catering": {
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-      "dev": true
-    },
     "chalk": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -3992,19 +3650,6 @@
         "supports-color": "^5.3.0"
       }
     },
-    "clone-deep": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/clone-deep/-/clone-deep-0.2.4.tgz",
-      "integrity": "sha1-TnPdCen7lxzDhnDF3O2cGJZIHMY=",
-      "dev": true,
-      "requires": {
-        "for-own": "^0.1.3",
-        "is-plain-object": "^2.0.1",
-        "kind-of": "^3.0.2",
-        "lazy-cache": "^1.0.3",
-        "shallow-clone": "^0.1.2"
-      }
-    },
     "color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -4064,12 +3709,6 @@
         "ms": "2.1.2"
       }
     },
-    "deep-dot": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/deep-dot/-/deep-dot-0.0.2.tgz",
-      "integrity": "sha1-10iMh3dEADLruca46Xc8QTW8P/o=",
-      "dev": true
-    },
     "deep-equal": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-2.0.5.tgz",
@@ -4742,21 +4381,6 @@
         "is-callable": "^1.1.3"
       }
     },
-    "for-in": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
-      "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=",
-      "dev": true
-    },
-    "for-own": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/for-own/-/for-own-0.1.5.tgz",
-      "integrity": "sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=",
-      "dev": true,
-      "requires": {
-        "for-in": "^1.0.1"
-      }
-    },
     "foreach": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
@@ -4955,12 +4579,6 @@
         "call-bind": "^1.0.2"
       }
     },
-    "is-buffer": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-      "dev": true
-    },
     "is-callable": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.3.tgz",
@@ -4982,24 +4600,12 @@
       "integrity": "sha512-/b4ZVsG7Z5XVtIxs/h9W8nvfLgSAyKYdtGWQLbqy6jA1icmgjf8WCoTKgeS4wy5tYaPePouzFMANbnj94c2Z+A==",
       "dev": true
     },
-    "is-extendable": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
-      "integrity": "sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=",
-      "dev": true
-    },
     "is-extglob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
       "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
       "dev": true
     },
-    "is-fork-pr": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/is-fork-pr/-/is-fork-pr-2.5.0.tgz",
-      "integrity": "sha512-kca2MhWNsJSUxN/Ud1CPPa+r+XpRnUXfheB8bvgjP6kCgCMYgIL5YMlwx0k7xnyqjnNaEzkQgS14S/SzhOPYkQ==",
-      "dev": true
-    },
     "is-fullwidth-code-point": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
@@ -5039,15 +4645,6 @@
       "integrity": "sha512-RU0lI/n95pMoUKu9v1BZP5MBcZuNSVJkMkAG2dJqC4z2GlkGUNeH68SuHuBKBD/XFe+LHZ+f9BKkLET60Niedw==",
       "dev": true
     },
-    "is-plain-object": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
-      "integrity": "sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==",
-      "dev": true,
-      "requires": {
-        "isobject": "^3.0.1"
-      }
-    },
     "is-regex": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.3.tgz",
@@ -5116,12 +4713,6 @@
       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
       "dev": true
     },
-    "isobject": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-      "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-      "dev": true
-    },
     "jest-worker": {
       "version": "26.6.2",
       "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-26.6.2.tgz",
@@ -5203,21 +4794,6 @@
         "object.assign": "^4.1.2"
       }
     },
-    "kind-of": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-      "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-      "dev": true,
-      "requires": {
-        "is-buffer": "^1.1.5"
-      }
-    },
-    "lazy-cache": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
-      "integrity": "sha1-odePw6UEdMuAhF07O24dpJpEbo4=",
-      "dev": true
-    },
     "levn": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
@@ -5274,17 +4850,6 @@
         "yallist": "^4.0.0"
       }
     },
-    "merge-deep": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/merge-deep/-/merge-deep-3.0.3.tgz",
-      "integrity": "sha512-qtmzAS6t6grwEkNrunqTBdn0qKwFgNWvlxUbAV8es9M7Ot1EbyApytCnvE0jALPa46ZpKDUo527kKiaWplmlFA==",
-      "dev": true,
-      "requires": {
-        "arr-union": "^3.1.0",
-        "clone-deep": "^0.2.4",
-        "kind-of": "^3.0.2"
-      }
-    },
     "merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
@@ -5322,24 +4887,6 @@
       "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
       "dev": true
     },
-    "mixin-object": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/mixin-object/-/mixin-object-2.0.1.tgz",
-      "integrity": "sha1-T7lJRB2rGCVA8f4DW6YOGUel5X4=",
-      "dev": true,
-      "requires": {
-        "for-in": "^0.1.3",
-        "is-extendable": "^0.1.1"
-      },
-      "dependencies": {
-        "for-in": {
-          "version": "0.1.8",
-          "resolved": "https://registry.npmjs.org/for-in/-/for-in-0.1.8.tgz",
-          "integrity": "sha1-2Hc5COMSVhCZUrH9ubP6hn0ndeE=",
-          "dev": true
-        }
-      }
-    },
     "mkdirp": {
       "version": "0.5.5",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
@@ -5355,15 +4902,6 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
-    "nanoresource": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/nanoresource/-/nanoresource-1.3.0.tgz",
-      "integrity": "sha512-OI5dswqipmlYfyL3k/YMm7mbERlh4Bd1KuKdMHpeoVD1iVxqxaTMKleB4qaA2mbQZ6/zMNSxCXv9M9P/YbqTuQ==",
-      "dev": true,
-      "requires": {
-        "inherits": "^2.0.4"
-      }
-    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -5880,35 +5418,6 @@
         "randombytes": "^2.1.0"
       }
     },
-    "shallow-clone": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/shallow-clone/-/shallow-clone-0.1.2.tgz",
-      "integrity": "sha1-WQnodLp3EG1zrEFM/sH/yofZcGA=",
-      "dev": true,
-      "requires": {
-        "is-extendable": "^0.1.1",
-        "kind-of": "^2.0.1",
-        "lazy-cache": "^0.2.3",
-        "mixin-object": "^2.0.1"
-      },
-      "dependencies": {
-        "kind-of": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-2.0.1.tgz",
-          "integrity": "sha1-AY7HpM5+OobLkUG+UZ0kyPqpgbU=",
-          "dev": true,
-          "requires": {
-            "is-buffer": "^1.0.2"
-          }
-        },
-        "lazy-cache": {
-          "version": "0.2.7",
-          "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-0.2.7.tgz",
-          "integrity": "sha1-f+3fLctu23fRHvHRF6tf/fCrG2U=",
-          "dev": true
-        }
-      }
-    },
     "shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -6236,6 +5745,12 @@
       "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==",
       "dev": true
     },
+    "typescript": {
+      "version": "4.4.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
+      "integrity": "sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==",
+      "dev": true
+    },
     "unbox-primitive": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.1.tgz",
diff --git a/package.json b/package.json
index d7934bf..fb4d784 100644
--- a/package.json
+++ b/package.json
@@ -14,12 +14,17 @@
     "test:node": "node test/test-node.js",
     "test:deno": "deno run --allow-read --allow-write --allow-net test/test-deno.js",
     "test:wpt-in-deno": "deno run --allow-read --allow-write --allow-net test/test-wpt-in-deno.js",
-    "build": "rm -rf dist && rollup -c rollup.config.js"
+    "build": "rm -rf dist && rollup -c rollup.config.js",
+    "prepublishOnly": "rm -rf types && tsc"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/jimmywarting/native-file-system-adapter.git"
   },
+  "engines": {
+    "node": ">=14.8.0"
+  },
+  "types": "types",
   "keywords": [
     "filesystem",
     "file",
@@ -56,7 +61,8 @@
     "rollup-plugin-multi-input": "^1.3.1",
     "rollup-plugin-terser": "^7.0.2",
     "standard": "^16.0.3",
-    "tape": "^5.2.2"
+    "tape": "^5.2.2",
+    "typescript": "^4.4.4"
   },
   "standard": {
     "globals": [
diff --git a/tsconfig.json b/tsconfig.json
index 80dfcbf..e71d188 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,5 +11,5 @@
     "lib": ["es2019", "dom"],
     "outDir": "./types/"
   },
-  "include": ["src/*.js"]
+  "include": ["mod.js"]
 }
diff --git a/types/mod.d.ts b/types/mod.d.ts
new file mode 100644
index 0000000..c3eddd7
--- /dev/null
+++ b/types/mod.d.ts
@@ -0,0 +1 @@
+export * from "./src/es6.js";
diff --git a/types/src/FileSystemDirectoryHandle.d.ts b/types/src/FileSystemDirectoryHandle.d.ts
new file mode 100644
index 0000000..c515ebe
--- /dev/null
+++ b/types/src/FileSystemDirectoryHandle.d.ts
@@ -0,0 +1,22 @@
+export default FileSystemDirectoryHandle;
+export class FileSystemDirectoryHandle extends FileSystemHandle {
+    constructor(adapter: any);
+    getDirectoryHandle(name: string, options?: {
+        create?: boolean;
+    }): Promise<FileSystemDirectoryHandle>;
+    entries(): AsyncGenerator<[string, FileSystemHandle | FileSystemDirectoryHandle]>;
+    getEntries(): AsyncGenerator<import("./FileSystemFileHandle.js").default | FileSystemDirectoryHandle, void, unknown>;
+    getFileHandle(name: string, options?: {
+        create?: boolean;
+    }): Promise<import("./FileSystemFileHandle.js").default>;
+    removeEntry(name: string, options?: {
+        recursive?: boolean;
+    }): Promise<any>;
+    resolve(possibleDescendant: any): Promise<any[]>;
+    keys(): AsyncGenerator<any, void, unknown>;
+    values(): AsyncGenerator<FileSystemHandle | FileSystemDirectoryHandle, void, unknown>;
+    [kAdapter]: any;
+    [Symbol.asyncIterator](): AsyncGenerator<[string, FileSystemHandle | FileSystemDirectoryHandle], any, any>;
+}
+import FileSystemHandle from "./FileSystemHandle.js";
+declare const kAdapter: unique symbol;
diff --git a/types/src/FileSystemFileHandle.d.ts b/types/src/FileSystemFileHandle.d.ts
new file mode 100644
index 0000000..66a6a0d
--- /dev/null
+++ b/types/src/FileSystemFileHandle.d.ts
@@ -0,0 +1,12 @@
+export default FileSystemFileHandle;
+export class FileSystemFileHandle extends FileSystemHandle {
+    constructor(adapter: any);
+    createWritable(options?: {
+        keepExistingData?: boolean;
+    }): Promise<FileSystemWritableFileStream>;
+    getFile(): Promise<File>;
+    [kAdapter]: any;
+}
+import FileSystemHandle from "./FileSystemHandle.js";
+import FileSystemWritableFileStream from "./FileSystemWritableFileStream.js";
+declare const kAdapter: unique symbol;
diff --git a/types/src/FileSystemHandle.d.ts b/types/src/FileSystemHandle.d.ts
new file mode 100644
index 0000000..52ccb0e
--- /dev/null
+++ b/types/src/FileSystemHandle.d.ts
@@ -0,0 +1,20 @@
+export default FileSystemHandle;
+export class FileSystemHandle {
+    constructor(adapter: FileSystemHandle & {
+        writable;
+    });
+    name: string;
+    kind: ('file' | 'directory');
+    queryPermission({ mode }?: {
+        mode?: string;
+    }): Promise<any>;
+    requestPermission({ mode }?: {
+        mode?: string;
+    }): Promise<any>;
+    remove(options?: {
+        recursive?: boolean;
+    }): Promise<void>;
+    isSameEntry(other: FileSystemHandle): Promise<any>;
+    [kAdapter]: any;
+}
+declare const kAdapter: unique symbol;
diff --git a/types/src/FileSystemWritableFileStream.d.ts b/types/src/FileSystemWritableFileStream.d.ts
new file mode 100644
index 0000000..33ba7d1
--- /dev/null
+++ b/types/src/FileSystemWritableFileStream.d.ts
@@ -0,0 +1,8 @@
+export default FileSystemWritableFileStream;
+export class FileSystemWritableFileStream extends WritableStream<any> {
+    constructor(...args: any[]);
+    private _closed;
+    seek(position: number): Promise<void>;
+    truncate(size: number): Promise<void>;
+    write(data: any): Promise<void>;
+}
diff --git a/types/src/adapters/downloader.d.ts b/types/src/adapters/downloader.d.ts
new file mode 100644
index 0000000..6180755
--- /dev/null
+++ b/types/src/adapters/downloader.d.ts
@@ -0,0 +1,8 @@
+export class FileHandle {
+    constructor(name?: string);
+    name: string;
+    kind: string;
+    getFile(): Promise<void>;
+    isSameEntry(other: any): Promise<boolean>;
+    createWritable(options?: object): Promise<WritableStreamDefaultWriter<any>>;
+}
diff --git a/types/src/adapters/memory.d.ts b/types/src/adapters/memory.d.ts
new file mode 100644
index 0000000..51e1385
--- /dev/null
+++ b/types/src/adapters/memory.d.ts
@@ -0,0 +1,46 @@
+export class Sink {
+    constructor(fileHandle: FileHandle, file: File);
+    fileHandle: FileHandle;
+    file: File;
+    size: number;
+    position: number;
+    write(chunk: any): void;
+    close(): void;
+}
+export class FileHandle {
+    constructor(name?: string, file?: File, writable?: boolean);
+    _file: File;
+    name: string;
+    kind: string;
+    _deleted: boolean;
+    writable: boolean;
+    readable: boolean;
+    getFile(): Promise<File>;
+    createWritable(opts: any): Promise<Sink>;
+    isSameEntry(other: any): Promise<boolean>;
+    _destroy(): Promise<void>;
+}
+export class FolderHandle {
+    constructor(name: string, writable?: boolean);
+    name: string;
+    kind: string;
+    _deleted: boolean;
+    _entries: {
+        [x: string]: (FolderHandle | FileHandle);
+    };
+    writable: boolean;
+    readable: boolean;
+    entries(): AsyncGenerator<[string, FileHandle | FolderHandle]>;
+    isSameEntry(other: any): Promise<boolean>;
+    getDirectoryHandle(name: string, opts: {
+        create: boolean;
+    }): Promise<FolderHandle>;
+    getFileHandle(name: string, opts: {
+        create: boolean;
+    }): Promise<FileHandle>;
+    removeEntry(name: any, opts: any): Promise<void>;
+    _destroy(recursive: any): Promise<void>;
+}
+declare function _default(): FolderHandle;
+export default _default;
+declare const File_1: typeof window.File;
diff --git a/types/src/adapters/sandbox.d.ts b/types/src/adapters/sandbox.d.ts
new file mode 100644
index 0000000..dc766f8
--- /dev/null
+++ b/types/src/adapters/sandbox.d.ts
@@ -0,0 +1,39 @@
+export class FileHandle {
+    constructor(file: FileEntry, writable?: boolean);
+    file: FileEntry;
+    kind: string;
+    writable: boolean;
+    readable: boolean;
+    get name(): string;
+    isSameEntry(other: any): boolean;
+    getFile(): Promise<File>;
+    createWritable(opts: any): Promise<Sink>;
+}
+export class FolderHandle {
+    constructor(dir: DirectoryEntry, writable?: boolean);
+    dir: DirectoryEntry;
+    writable: boolean;
+    readable: boolean;
+    kind: string;
+    name: string;
+    isSameEntry(other: FolderHandle): boolean;
+    entries(): AsyncGenerator<[string, FileHandle | FolderHandle]>;
+    getDirectoryHandle(name: string, opts: {
+        create: boolean;
+    }): Promise<FolderHandle>;
+    getFileHandle(name: string, opts: {
+        create: boolean;
+    }): Promise<FileHandle>;
+    removeEntry(name: string, opts: {
+        recursive: boolean;
+    }): Promise<any>;
+}
+declare function _default(opts?: {}): Promise<any>;
+export default _default;
+declare class Sink {
+    constructor(writer: FileWriter, fileEntry: FileEntry);
+    writer: FileWriter;
+    fileEntry: FileEntry;
+    write(chunk: BlobPart | any): Promise<any>;
+    close(): Promise<any>;
+}
diff --git a/types/src/es6.d.ts b/types/src/es6.d.ts
new file mode 100644
index 0000000..8bc90d2
--- /dev/null
+++ b/types/src/es6.d.ts
@@ -0,0 +1,9 @@
+import FileSystemDirectoryHandle from "./FileSystemDirectoryHandle.js";
+import FileSystemFileHandle from "./FileSystemFileHandle.js";
+import FileSystemHandle from "./FileSystemHandle.js";
+import FileSystemWritableFileStream from "./FileSystemWritableFileStream.js";
+import getOriginPrivateDirectory from "./getOriginPrivateDirectory.js";
+import showDirectoryPicker from "./showDirectoryPicker.js";
+import showOpenFilePicker from "./showOpenFilePicker.js";
+import showSaveFilePicker from "./showSaveFilePicker.js";
+export { FileSystemDirectoryHandle, FileSystemFileHandle, FileSystemHandle, FileSystemWritableFileStream, getOriginPrivateDirectory, showDirectoryPicker, showOpenFilePicker, showSaveFilePicker };
diff --git a/types/src/getOriginPrivateDirectory.d.ts b/types/src/getOriginPrivateDirectory.d.ts
new file mode 100644
index 0000000..7de8e57
--- /dev/null
+++ b/types/src/getOriginPrivateDirectory.d.ts
@@ -0,0 +1,3 @@
+export default getOriginPrivateDirectory;
+export type FileSystemDirectoryHandle = import('./FileSystemDirectoryHandle.js').default;
+declare function getOriginPrivateDirectory(driver?: object | undefined, options?: {}): Promise<import("./FileSystemDirectoryHandle.js").default>;
diff --git a/types/src/showDirectoryPicker.d.ts b/types/src/showDirectoryPicker.d.ts
new file mode 100644
index 0000000..da6e7ee
--- /dev/null
+++ b/types/src/showDirectoryPicker.d.ts
@@ -0,0 +1,5 @@
+export default showDirectoryPicker;
+export type FileSystemDirectoryHandle = import('./FileSystemDirectoryHandle.js').default;
+export function showDirectoryPicker(options?: {
+    _preferPolyfill?: boolean;
+}): Promise<FileSystemDirectoryHandle>;
diff --git a/types/src/showOpenFilePicker.d.ts b/types/src/showOpenFilePicker.d.ts
new file mode 100644
index 0000000..84bdcc0
--- /dev/null
+++ b/types/src/showOpenFilePicker.d.ts
@@ -0,0 +1,8 @@
+export default showOpenFilePicker;
+export type FileSystemFileHandle = import('./FileSystemFileHandle.js').default;
+export function showOpenFilePicker(options?: {
+    multiple?: boolean;
+    excludeAcceptAllOption?: boolean;
+    accepts?: any[];
+    _preferPolyfill?: boolean;
+}): Promise<FileSystemFileHandle[]>;
diff --git a/types/src/showSaveFilePicker.d.ts b/types/src/showSaveFilePicker.d.ts
new file mode 100644
index 0000000..89b21c2
--- /dev/null
+++ b/types/src/showSaveFilePicker.d.ts
@@ -0,0 +1,9 @@
+export default showSaveFilePicker;
+export type FileSystemFileHandle = import('./FileSystemFileHandle.js').default;
+export function showSaveFilePicker(options?: {
+    excludeAcceptAllOption?: boolean;
+    accepts?: any[];
+    suggestedName?: string;
+    _name?: string;
+    _preferPolyfill?: boolean;
+}): Promise<import("./FileSystemFileHandle.js").default>;
diff --git a/types/src/util.d.ts b/types/src/util.d.ts
new file mode 100644
index 0000000..3fbc587
--- /dev/null
+++ b/types/src/util.d.ts
@@ -0,0 +1,18 @@
+export function fromDataTransfer(entries: any): Promise<import("./FileSystemDirectoryHandle.js").default>;
+export function getDirHandlesFromInput(input: any): Promise<import("./FileSystemDirectoryHandle.js").default>;
+export function getFileHandlesFromInput(input: any): Promise<import("./FileSystemFileHandle.js").default[]>;
+export namespace errors {
+    const INVALID: string[];
+    const GONE: string[];
+    const MISMATCH: string[];
+    const MOD_ERR: string[];
+    function SYNTAX(m: any): string[];
+    const SECURITY: string[];
+    const DISALLOWED: string[];
+}
+export namespace config {
+    const writable: {
+        new <W = any>(underlyingSink?: UnderlyingSink<W>, strategy?: QueuingStrategy<W>): WritableStream<W>;
+        prototype: WritableStream<any>;
+    };
+}