diff --git a/src/browserContext.ts b/src/browserContext.ts
index 439c8e13ed..48dad9fee3 100644
--- a/src/browserContext.ts
+++ b/src/browserContext.ts
@@ -16,7 +16,6 @@
  */
 
 import { Page } from './page';
-import * as input from './input';
 import * as network from './network';
 import * as types from './types';
 
@@ -40,8 +39,8 @@ export type BrowserContextOptions = {
   ignoreHTTPSErrors?: boolean,
   javaScriptEnabled?: boolean,
   bypassCSP?: boolean,
-  mediaType?: input.MediaType,
-  colorScheme?: input.ColorScheme,
+  mediaType?: types.MediaType,
+  colorScheme?: types.ColorScheme,
   userAgent?: string,
   timezoneId?: string,
   geolocation?: types.Geolocation
diff --git a/src/chromium/crPage.ts b/src/chromium/crPage.ts
index 503bbf128c..650d295ce5 100644
--- a/src/chromium/crPage.ts
+++ b/src/chromium/crPage.ts
@@ -36,7 +36,6 @@ import { CRWorkers, CRWorker } from './features/crWorkers';
 import { CRBrowser } from './crBrowser';
 import { BrowserContext } from '../browserContext';
 import * as types from '../types';
-import * as input from '../input';
 import { ConsoleMessage } from '../console';
 import * as accessibility from '../accessibility';
 
@@ -309,8 +308,8 @@ export class CRPage implements PageDelegate {
     ]);
   }
 
-  async setEmulateMedia(mediaType: input.MediaType | null, mediaColorScheme: input.ColorScheme | null): Promise<void> {
-    const features = mediaColorScheme ? [{ name: 'prefers-color-scheme', value: mediaColorScheme }] : [];
+  async setEmulateMedia(mediaType: types.MediaType | null, colorScheme: types.ColorScheme | null): Promise<void> {
+    const features = colorScheme ? [{ name: 'prefers-color-scheme', value: colorScheme }] : [];
     await this._client.send('Emulation.setEmulatedMedia', { media: mediaType || '', features });
   }
 
@@ -459,8 +458,8 @@ export class CRPage implements PageDelegate {
     return { width: layoutMetrics.layoutViewport.clientWidth, height: layoutMetrics.layoutViewport.clientHeight };
   }
 
-  async setInputFiles(handle: dom.ElementHandle, files: input.FilePayload[]): Promise<void> {
-    await handle.evaluate(input.setFileInputFunction, files);
+  async setInputFiles(handle: dom.ElementHandle, files: types.FilePayload[]): Promise<void> {
+    await handle.evaluate(dom.setFileInputFunction, files);
   }
 
   async adoptElementHandle<T extends Node>(handle: dom.ElementHandle<T>, to: dom.FrameExecutionContext): Promise<dom.ElementHandle<T>> {
diff --git a/src/dom.ts b/src/dom.ts
index a9d2fccbe3..1cff19f23f 100644
--- a/src/dom.ts
+++ b/src/dom.ts
@@ -10,6 +10,10 @@ import * as zsSelectorEngineSource from './generated/zsSelectorEngineSource';
 import { assert, helper, debugError } from './helper';
 import Injected from './injected/injected';
 import { Page } from './page';
+import * as path from 'path';
+import * as fs from 'fs';
+
+const readFileAsync = helper.promisify(fs.readFile);
 
 export class FrameExecutionContext extends js.ExecutionContext {
   readonly frame: frames.Frame;
@@ -284,7 +288,7 @@ export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
     return this._performPointerAction(point => this._page.mouse.tripleclick(point.x, point.y, options), options);
   }
 
-  async select(...values: (string | ElementHandle | input.SelectOption)[]): Promise<string[]> {
+  async select(...values: (string | ElementHandle | types.SelectOption)[]): Promise<string[]> {
     const options = values.map(value => typeof value === 'object' ? value : { value });
     for (const option of options) {
       if (option instanceof ElementHandle)
@@ -296,18 +300,92 @@ export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
       if (option.index !== undefined)
         assert(helper.isNumber(option.index), 'Indices must be numbers. Found index "' + option.index + '" of type "' + (typeof option.index) + '"');
     }
-    return this._evaluateInUtility(input.selectFunction, ...options);
+    return this._evaluateInUtility((node: Node, ...optionsToSelect: (Node | types.SelectOption)[]) => {
+      if (node.nodeName.toLowerCase() !== 'select')
+        throw new Error('Element is not a <select> element.');
+      const element = node as HTMLSelectElement;
+
+      const options = Array.from(element.options);
+      element.value = undefined;
+      for (let index = 0; index < options.length; index++) {
+        const option = options[index];
+        option.selected = optionsToSelect.some(optionToSelect => {
+          if (optionToSelect instanceof Node)
+            return option === optionToSelect;
+          let matches = true;
+          if (optionToSelect.value !== undefined)
+            matches = matches && optionToSelect.value === option.value;
+          if (optionToSelect.label !== undefined)
+            matches = matches && optionToSelect.label === option.label;
+          if (optionToSelect.index !== undefined)
+            matches = matches && optionToSelect.index === index;
+          return matches;
+        });
+        if (option.selected && !element.multiple)
+          break;
+      }
+      element.dispatchEvent(new Event('input', { 'bubbles': true }));
+      element.dispatchEvent(new Event('change', { 'bubbles': true }));
+      return options.filter(option => option.selected).map(option => option.value);
+    }, ...options);
   }
 
   async fill(value: string): Promise<void> {
     assert(helper.isString(value), 'Value must be string. Found value "' + value + '" of type "' + (typeof value) + '"');
-    const error = await this._evaluateInUtility(input.fillFunction);
+    const error = await this._evaluateInUtility((node: Node) => {
+      if (node.nodeType !== Node.ELEMENT_NODE)
+        return 'Node is not of type HTMLElement';
+      const element = node as HTMLElement;
+      if (!element.isConnected)
+        return 'Element is not attached to the DOM';
+      if (!element.ownerDocument || !element.ownerDocument.defaultView)
+        return 'Element does not belong to a window';
+
+      const style = element.ownerDocument.defaultView.getComputedStyle(element);
+      if (!style || style.visibility === 'hidden')
+        return 'Element is hidden';
+      if (!element.offsetParent && element.tagName !== 'BODY')
+        return 'Element is not visible';
+      if (element.nodeName.toLowerCase() === 'input') {
+        const input = element as HTMLInputElement;
+        const type = input.getAttribute('type') || '';
+        const kTextInputTypes = new Set(['', 'email', 'password', 'search', 'tel', 'text', 'url']);
+        if (!kTextInputTypes.has(type.toLowerCase()))
+          return 'Cannot fill input of type "' + type + '".';
+        if (input.disabled)
+          return 'Cannot fill a disabled input.';
+        if (input.readOnly)
+          return 'Cannot fill a readonly input.';
+        input.selectionStart = 0;
+        input.selectionEnd = input.value.length;
+        input.focus();
+      } else if (element.nodeName.toLowerCase() === 'textarea') {
+        const textarea = element as HTMLTextAreaElement;
+        if (textarea.disabled)
+          return 'Cannot fill a disabled textarea.';
+        if (textarea.readOnly)
+          return 'Cannot fill a readonly textarea.';
+        textarea.selectionStart = 0;
+        textarea.selectionEnd = textarea.value.length;
+        textarea.focus();
+      } else if (element.isContentEditable) {
+        const range = element.ownerDocument.createRange();
+        range.selectNodeContents(element);
+        const selection = element.ownerDocument.defaultView.getSelection();
+        selection.removeAllRanges();
+        selection.addRange(range);
+        element.focus();
+      } else {
+        return 'Element is not an <input>, <textarea> or [contenteditable] element.';
+      }
+      return false;
+    });
     if (error)
       throw new Error(error);
     await this._page.keyboard.sendCharacters(value);
   }
 
-  async setInputFiles(...files: (string | input.FilePayload)[]) {
+  async setInputFiles(...files: (string | types.FilePayload)[]) {
     const multiple = await this._evaluateInUtility((node: Node) => {
       if (node.nodeType !== Node.ELEMENT_NODE || (node as Element).tagName !== 'INPUT')
         throw new Error('Node is not an HTMLInputElement');
@@ -315,7 +393,18 @@ export class ElementHandle<T extends Node = Node> extends js.JSHandle<T> {
       return input.multiple;
     });
     assert(multiple || files.length <= 1, 'Non-multiple file input can only accept single file!');
-    await this._page._delegate.setInputFiles(this, await input.loadFiles(files));
+    const filePayloads = await Promise.all(files.map(async item => {
+      if (typeof item === 'string') {
+        const file: types.FilePayload = {
+          name: path.basename(item),
+          type: 'application/octet-stream',
+          data: (await readFileAsync(item)).toString('base64')
+        };
+        return file;
+      }
+      return item;
+    }));
+    await this._page._delegate.setInputFiles(this, filePayloads);
   }
 
   async focus() {
@@ -454,3 +543,15 @@ export function waitForSelectorTask(selector: string, visibility: types.Visibili
     }, await context._injected(), selector, visibility, timeout);
   };
 }
+
+export const setFileInputFunction = async (element: HTMLInputElement, payloads: types.FilePayload[]) => {
+  const files = await Promise.all(payloads.map(async (file: types.FilePayload) => {
+    const result = await fetch(`data:${file.type};base64,${file.data}`);
+    return new File([await result.blob()], file.name);
+  }));
+  const dt = new DataTransfer();
+  for (const file of files)
+    dt.items.add(file);
+  element.files = dt.files;
+  element.dispatchEvent(new Event('input', { 'bubbles': true }));
+};
diff --git a/src/firefox/ffPage.ts b/src/firefox/ffPage.ts
index f68bc4ac47..56b392e58d 100644
--- a/src/firefox/ffPage.ts
+++ b/src/firefox/ffPage.ts
@@ -25,7 +25,6 @@ import { FFNetworkManager } from './ffNetworkManager';
 import { Events } from '../events';
 import * as dialog from '../dialog';
 import { Protocol } from './protocol';
-import * as input from '../input';
 import { RawMouseImpl, RawKeyboardImpl } from './ffInput';
 import { BrowserContext } from '../browserContext';
 import { getAccessibilityTree } from './ffAccessibility';
@@ -213,10 +212,10 @@ export class FFPage implements PageDelegate {
     });
   }
 
-  async setEmulateMedia(mediaType: input.MediaType | null, mediaColorScheme: input.ColorScheme | null): Promise<void> {
+  async setEmulateMedia(mediaType: types.MediaType | null, colorScheme: types.ColorScheme | null): Promise<void> {
     await this._session.send('Page.setEmulatedMedia', {
       type: mediaType === null ? undefined : mediaType,
-      colorScheme: mediaColorScheme === null ? undefined : mediaColorScheme
+      colorScheme: colorScheme === null ? undefined : colorScheme
     });
   }
 
@@ -339,8 +338,8 @@ export class FFPage implements PageDelegate {
     return this._page.evaluate(() => ({ width: innerWidth, height: innerHeight }));
   }
 
-  async setInputFiles(handle: dom.ElementHandle, files: input.FilePayload[]): Promise<void> {
-    await handle.evaluate(input.setFileInputFunction, files);
+  async setInputFiles(handle: dom.ElementHandle, files: types.FilePayload[]): Promise<void> {
+    await handle.evaluate(dom.setFileInputFunction, files);
   }
 
   async adoptElementHandle<T extends Node>(handle: dom.ElementHandle<T>, to: dom.FrameExecutionContext): Promise<dom.ElementHandle<T>> {
diff --git a/src/frames.ts b/src/frames.ts
index caa8979eb2..b84727ffa9 100644
--- a/src/frames.ts
+++ b/src/frames.ts
@@ -21,7 +21,7 @@ import * as js from './javascript';
 import * as dom from './dom';
 import * as network from './network';
 import { helper, assert, RegisteredListener } from './helper';
-import { ClickOptions, MultiClickOptions, PointerActionOptions, SelectOption } from './input';
+import { ClickOptions, MultiClickOptions, PointerActionOptions } from './input';
 import { TimeoutError } from './errors';
 import { Events } from './events';
 import { Page } from './page';
@@ -646,7 +646,7 @@ export class Frame {
     await handle.dispose();
   }
 
-  async select(selector: string, value: string | dom.ElementHandle | SelectOption | string[] | dom.ElementHandle[] | SelectOption[] | undefined, options?: WaitForOptions): Promise<string[]> {
+  async select(selector: string, value: string | dom.ElementHandle | types.SelectOption | string[] | dom.ElementHandle[] | types.SelectOption[] | undefined, options?: WaitForOptions): Promise<string[]> {
     const handle = await this._optionallyWaitForSelectorInUtilityContext(selector, options);
     const values = value === undefined ? [] : Array.isArray(value) ? value : [value];
     const result = await handle.select(...values);
diff --git a/src/input.ts b/src/input.ts
index ba09a04485..1001e8d279 100644
--- a/src/input.ts
+++ b/src/input.ts
@@ -1,14 +1,10 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-import * as fs from 'fs';
-import * as path from 'path';
-import { assert, helper } from './helper';
+import { assert } from './helper';
 import * as types from './types';
 import * as keyboardLayout from './usKeyboardLayout';
 
-const readFileAsync = helper.promisify(fs.readFile);
-
 export type Modifier = 'Alt' | 'Control' | 'Meta' | 'Shift';
 export type Button = 'left' | 'right' | 'middle';
 
@@ -28,12 +24,6 @@ export type MultiClickOptions = PointerActionOptions & {
   button?: Button;
 };
 
-export type SelectOption = {
-  value?: string;
-  label?: string;
-  index?: number;
-};
-
 export const keypadLocation = keyboardLayout.keypadLocation;
 
 type KeyDescription = {
@@ -292,119 +282,3 @@ export class Mouse {
     }
   }
 }
-
-export const selectFunction = (node: Node, ...optionsToSelect: (Node | SelectOption)[]) => {
-  if (node.nodeName.toLowerCase() !== 'select')
-    throw new Error('Element is not a <select> element.');
-  const element = node as HTMLSelectElement;
-
-  const options = Array.from(element.options);
-  element.value = undefined;
-  for (let index = 0; index < options.length; index++) {
-    const option = options[index];
-    option.selected = optionsToSelect.some(optionToSelect => {
-      if (optionToSelect instanceof Node)
-        return option === optionToSelect;
-      let matches = true;
-      if (optionToSelect.value !== undefined)
-        matches = matches && optionToSelect.value === option.value;
-      if (optionToSelect.label !== undefined)
-        matches = matches && optionToSelect.label === option.label;
-      if (optionToSelect.index !== undefined)
-        matches = matches && optionToSelect.index === index;
-      return matches;
-    });
-    if (option.selected && !element.multiple)
-      break;
-  }
-  element.dispatchEvent(new Event('input', { 'bubbles': true }));
-  element.dispatchEvent(new Event('change', { 'bubbles': true }));
-  return options.filter(option => option.selected).map(option => option.value);
-};
-
-export const fillFunction = (node: Node) => {
-  if (node.nodeType !== Node.ELEMENT_NODE)
-    return 'Node is not of type HTMLElement';
-  const element = node as HTMLElement;
-  if (!element.isConnected)
-    return 'Element is not attached to the DOM';
-  if (!element.ownerDocument || !element.ownerDocument.defaultView)
-    return 'Element does not belong to a window';
-
-  const style = element.ownerDocument.defaultView.getComputedStyle(element);
-  if (!style || style.visibility === 'hidden')
-    return 'Element is hidden';
-  if (!element.offsetParent && element.tagName !== 'BODY')
-    return 'Element is not visible';
-  if (element.nodeName.toLowerCase() === 'input') {
-    const input = element as HTMLInputElement;
-    const type = input.getAttribute('type') || '';
-    const kTextInputTypes = new Set(['', 'email', 'password', 'search', 'tel', 'text', 'url']);
-    if (!kTextInputTypes.has(type.toLowerCase()))
-      return 'Cannot fill input of type "' + type + '".';
-    if (input.disabled)
-      return 'Cannot fill a disabled input.';
-    if (input.readOnly)
-      return 'Cannot fill a readonly input.';
-    input.selectionStart = 0;
-    input.selectionEnd = input.value.length;
-    input.focus();
-  } else if (element.nodeName.toLowerCase() === 'textarea') {
-    const textarea = element as HTMLTextAreaElement;
-    if (textarea.disabled)
-      return 'Cannot fill a disabled textarea.';
-    if (textarea.readOnly)
-      return 'Cannot fill a readonly textarea.';
-    textarea.selectionStart = 0;
-    textarea.selectionEnd = textarea.value.length;
-    textarea.focus();
-  } else if (element.isContentEditable) {
-    const range = element.ownerDocument.createRange();
-    range.selectNodeContents(element);
-    const selection = element.ownerDocument.defaultView.getSelection();
-    selection.removeAllRanges();
-    selection.addRange(range);
-    element.focus();
-  } else {
-    return 'Element is not an <input>, <textarea> or [contenteditable] element.';
-  }
-  return false;
-};
-
-export const loadFiles = async (items: (string|FilePayload)[]): Promise<FilePayload[]> => {
-  return Promise.all(items.map(async item => {
-    if (typeof item === 'string') {
-      const file: FilePayload = {
-        name: path.basename(item),
-        type: 'application/octet-stream',
-        data: (await readFileAsync(item)).toString('base64')
-      };
-      return file;
-    } else {
-      return item as FilePayload;
-    }
-  }));
-};
-
-export const setFileInputFunction = async (element: HTMLInputElement, payloads: FilePayload[]) => {
-  const files = await Promise.all(payloads.map(async (file: FilePayload) => {
-    const result = await fetch(`data:${file.type};base64,${file.data}`);
-    return new File([await result.blob()], file.name);
-  }));
-  const dt = new DataTransfer();
-  for (const file of files)
-    dt.items.add(file);
-  element.files = dt.files;
-  element.dispatchEvent(new Event('input', { 'bubbles': true }));
-};
-
-export type FilePayload = {
-  name: string,
-  type: string,
-  data: string
-};
-
-export type MediaType = 'screen' | 'print';
-export const mediaTypes: Set<MediaType> = new Set(['screen', 'print']);
-export type ColorScheme = 'dark' | 'light' | 'no-preference';
-export const mediaColorSchemes: Set<ColorScheme> = new Set(['dark', 'light', 'no-preference']);
diff --git a/src/page.ts b/src/page.ts
index bae2ae09c4..cdf89d56d5 100644
--- a/src/page.ts
+++ b/src/page.ts
@@ -47,7 +47,7 @@ export interface PageDelegate {
 
   setExtraHTTPHeaders(extraHTTPHeaders: network.Headers): Promise<void>;
   setViewport(viewport: types.Viewport): Promise<void>;
-  setEmulateMedia(mediaType: input.MediaType | null, colorScheme: input.ColorScheme | null): Promise<void>;
+  setEmulateMedia(mediaType: types.MediaType | null, colorScheme: types.ColorScheme | null): Promise<void>;
   setCacheEnabled(enabled: boolean): Promise<void>;
   setRequestInterception(enabled: boolean): Promise<void>;
   setOfflineMode(enabled: boolean): Promise<void>;
@@ -65,7 +65,7 @@ export interface PageDelegate {
   getOwnerFrame(handle: dom.ElementHandle): Promise<frames.Frame | null>;
   getContentQuads(handle: dom.ElementHandle): Promise<types.Quad[] | null>;
   layoutViewport(): Promise<{ width: number, height: number }>;
-  setInputFiles(handle: dom.ElementHandle, files: input.FilePayload[]): Promise<void>;
+  setInputFiles(handle: dom.ElementHandle, files: types.FilePayload[]): Promise<void>;
   getBoundingBox(handle: dom.ElementHandle): Promise<types.Rect | null>;
 
   getAccessibilityTree(): Promise<accessibility.AXNode>;
@@ -73,8 +73,8 @@ export interface PageDelegate {
 
 type PageState = {
   viewport: types.Viewport | null;
-  mediaType: input.MediaType | null;
-  colorScheme: input.ColorScheme | null;
+  mediaType: types.MediaType | null;
+  colorScheme: types.ColorScheme | null;
   extraHTTPHeaders: network.Headers | null;
   cacheEnabled: boolean | null;
   interceptNetwork: boolean | null;
@@ -370,9 +370,9 @@ export class Page extends EventEmitter {
     return waitPromise;
   }
 
-  async emulateMedia(options: { type?: input.MediaType, colorScheme?: input.ColorScheme }) {
-    assert(!options.type || input.mediaTypes.has(options.type), 'Unsupported media type: ' + options.type);
-    assert(!options.colorScheme || input.mediaColorSchemes.has(options.colorScheme), 'Unsupported color scheme: ' + options.colorScheme);
+  async emulateMedia(options: { type?: types.MediaType, colorScheme?: types.ColorScheme }) {
+    assert(!options.type || types.mediaTypes.has(options.type), 'Unsupported media type: ' + options.type);
+    assert(!options.colorScheme || types.colorSchemes.has(options.colorScheme), 'Unsupported color scheme: ' + options.colorScheme);
     if (options.type !== undefined)
       this._state.mediaType = options.type;
     if (options.colorScheme !== undefined)
@@ -476,7 +476,7 @@ export class Page extends EventEmitter {
     return this.mainFrame().hover(selector, options);
   }
 
-  async select(selector: string, value: string | dom.ElementHandle | input.SelectOption | string[] | dom.ElementHandle[] | input.SelectOption[] | undefined, options?: frames.WaitForOptions): Promise<string[]> {
+  async select(selector: string, value: string | dom.ElementHandle | types.SelectOption | string[] | dom.ElementHandle[] | types.SelectOption[] | undefined, options?: frames.WaitForOptions): Promise<string[]> {
     return this.mainFrame().select(selector, value, options);
   }
 
diff --git a/src/types.ts b/src/types.ts
index 99d9cb87e3..1949a14bb4 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -55,10 +55,28 @@ export type URLMatch = string | RegExp | ((url: kurl.URL) => boolean);
 export type Credentials = {
   username: string;
   password: string;
-}
+};
 
 export type Geolocation = {
   longitude?: number;
   latitude?: number;
   accuracy?: number | undefined;
-}
+};
+
+export type SelectOption = {
+  value?: string;
+  label?: string;
+  index?: number;
+};
+
+export type FilePayload = {
+  name: string,
+  type: string,
+  data: string,
+};
+
+export type MediaType = 'screen' | 'print';
+export const mediaTypes: Set<MediaType> = new Set(['screen', 'print']);
+
+export type ColorScheme = 'dark' | 'light' | 'no-preference';
+export const colorSchemes: Set<ColorScheme> = new Set(['dark', 'light', 'no-preference']);
diff --git a/src/webkit/wkPage.ts b/src/webkit/wkPage.ts
index 4f7182d1fe..adb737d74b 100644
--- a/src/webkit/wkPage.ts
+++ b/src/webkit/wkPage.ts
@@ -29,7 +29,6 @@ import * as dialog from '../dialog';
 import { WKBrowser } from './wkBrowser';
 import { BrowserContext } from '../browserContext';
 import { RawMouseImpl, RawKeyboardImpl } from './wkInput';
-import * as input from '../input';
 import * as types from '../types';
 import * as jpeg from 'jpeg-js';
 import { PNG } from 'pngjs';
@@ -288,12 +287,12 @@ export class WKPage implements PageDelegate {
     await session.send('Network.setExtraHTTPHeaders', { headers });
   }
 
-  private async _setEmulateMedia(session: WKTargetSession, mediaType: input.MediaType | null, mediaColorScheme: input.ColorScheme | null): Promise<void> {
+  private async _setEmulateMedia(session: WKTargetSession, mediaType: types.MediaType | null, colorScheme: types.ColorScheme | null): Promise<void> {
     const promises = [];
     promises.push(session.send('Page.setEmulatedMedia', { media: mediaType || '' }));
-    if (mediaColorScheme !== null) {
+    if (colorScheme !== null) {
       let appearance: any = '';
-      switch (mediaColorScheme) {
+      switch (colorScheme) {
         case 'light': appearance = 'Light'; break;
         case 'dark': appearance = 'Dark'; break;
       }
@@ -306,8 +305,8 @@ export class WKPage implements PageDelegate {
     await this._setExtraHTTPHeaders(this._session, headers);
   }
 
-  async setEmulateMedia(mediaType: input.MediaType | null, mediaColorScheme: input.ColorScheme | null): Promise<void> {
-    await this._setEmulateMedia(this._session, mediaType, mediaColorScheme);
+  async setEmulateMedia(mediaType: types.MediaType | null, colorScheme: types.ColorScheme | null): Promise<void> {
+    await this._setEmulateMedia(this._session, mediaType, colorScheme);
   }
 
   async setViewport(viewport: types.Viewport): Promise<void> {
@@ -468,7 +467,7 @@ export class WKPage implements PageDelegate {
     return this._page.evaluate(() => ({ width: innerWidth, height: innerHeight }));
   }
 
-  async setInputFiles(handle: dom.ElementHandle, files: input.FilePayload[]): Promise<void> {
+  async setInputFiles(handle: dom.ElementHandle, files: types.FilePayload[]): Promise<void> {
     const objectId = toRemoteObject(handle).objectId;
     await this._session.send('DOM.setInputFiles', { objectId, files });
   }