v1.0 with SW PWA enabled

frontend/node_modules/workbox-precaching/PrecacheFallbackPlugin.d.ts

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+import { WorkboxPlugin } from 'workbox-core/types.js';
+import { PrecacheController } from './PrecacheController.js';
+import './_version.js';
+/**
+ * `PrecacheFallbackPlugin` allows you to specify an "offline fallback"
+ * response to be used when a given strategy is unable to generate a response.
+ *
+ * It does this by intercepting the `handlerDidError` plugin callback
+ * and returning a precached response, taking the expected revision parameter
+ * into account automatically.
+ *
+ * Unless you explicitly pass in a `PrecacheController` instance to the
+ * constructor, the default instance will be used. Generally speaking, most
+ * developers will end up using the default.
+ *
+ * @memberof workbox-precaching
+ */
+declare class PrecacheFallbackPlugin implements WorkboxPlugin {
+    private readonly _fallbackURL;
+    private readonly _precacheController;
+    /**
+     * Constructs a new PrecacheFallbackPlugin with the associated fallbackURL.
+     *
+     * @param {Object} config
+     * @param {string} config.fallbackURL A precached URL to use as the fallback
+     *     if the associated strategy can't generate a response.
+     * @param {PrecacheController} [config.precacheController] An optional
+     *     PrecacheController instance. If not provided, the default
+     *     PrecacheController will be used.
+     */
+    constructor({ fallbackURL, precacheController, }: {
+        fallbackURL: string;
+        precacheController?: PrecacheController;
+    });
+    /**
+     * @return {Promise<Response>} The precache response for the fallback URL.
+     *
+     * @private
+     */
+    handlerDidError: WorkboxPlugin['handlerDidError'];
+}
+export { PrecacheFallbackPlugin };