dev testing

functions/node_modules/@firebase/util/dist/src/environment.d.ts

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+/**
+ * @license
+ * Copyright 2017 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Returns navigator.userAgent string or '' if it's not defined.
+ * @return user agent string
+ */
+export declare function getUA(): string;
+/**
+ * Detect Cordova / PhoneGap / Ionic frameworks on a mobile device.
+ *
+ * Deliberately does not rely on checking `file://` URLs (as this fails PhoneGap
+ * in the Ripple emulator) nor Cordova `onDeviceReady`, which would normally
+ * wait for a callback.
+ */
+export declare function isMobileCordova(): boolean;
+/**
+ * Detect Node.js.
+ *
+ * @return true if Node.js environment is detected or specified.
+ */
+export declare function isNode(): boolean;
+/**
+ * Detect Browser Environment.
+ * Note: This will return true for certain test frameworks that are incompletely
+ * mimicking a browser, and should not lead to assuming all browser APIs are
+ * available.
+ */
+export declare function isBrowser(): boolean;
+/**
+ * Detect Web Worker context.
+ */
+export declare function isWebWorker(): boolean;
+/**
+ * Detect Cloudflare Worker context.
+ */
+export declare function isCloudflareWorker(): boolean;
+export declare function isBrowserExtension(): boolean;
+/**
+ * Detect React Native.
+ *
+ * @return true if ReactNative environment is detected.
+ */
+export declare function isReactNative(): boolean;
+/** Detects Electron apps. */
+export declare function isElectron(): boolean;
+/** Detects Internet Explorer. */
+export declare function isIE(): boolean;
+/** Detects Universal Windows Platform apps. */
+export declare function isUWP(): boolean;
+/**
+ * Detect whether the current SDK build is the Node version.
+ *
+ * @return true if it's the Node SDK build.
+ */
+export declare function isNodeSdk(): boolean;
+/** Returns true if we are running in Safari. */
+export declare function isSafari(): boolean;
+/**
+ * This method checks if indexedDB is supported by current browser/service worker context
+ * @return true if indexedDB is supported by current browser/service worker context
+ */
+export declare function isIndexedDBAvailable(): boolean;
+/**
+ * This method validates browser/sw context for indexedDB by opening a dummy indexedDB database and reject
+ * if errors occur during the database open operation.
+ *
+ * @throws exception if current browser/sw context can't run idb.open (ex: Safari iframe, Firefox
+ * private browsing)
+ */
+export declare function validateIndexedDBOpenable(): Promise<boolean>;
+/**
+ *
+ * This method checks whether cookie is enabled within current browser
+ * @return true if cookie is enabled within current browser
+ */
+export declare function areCookiesEnabled(): boolean;