## API Report File for "@firebase/installations"

> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).

```ts

import { FirebaseApp } from '@firebase/app';

// @public
export function deleteInstallations(installations: Installations): Promise<void>;

// @internal
export interface _FirebaseInstallationsInternal {
    getId(): Promise<string>;
    getToken(forceRefresh?: boolean): Promise<string>;
}

// @public
export function getId(installations: Installations): Promise<string>;

// @public
export function getInstallations(app?: FirebaseApp): Installations;

// @public
export function getToken(installations: Installations, forceRefresh?: boolean): Promise<string>;

// @public
export type IdChangeCallbackFn = (installationId: string) => void;

// @public
export type IdChangeUnsubscribeFn = () => void;

// @public
export interface Installations {
    app: FirebaseApp;
}

// @public
export function onIdChange(installations: Installations, callback: IdChangeCallbackFn): IdChangeUnsubscribeFn;


```
