import type { Plugin } from "vite";
export declare const OPTIONAL_FIREBASE_MODULES: readonly ["@firebase/app", "@firebase/auth", "@firebase/app-check", "@firebase/performance"];
export declare const OPTIONAL_FIREBASE_STUB_PREFIX = "\0cfni:optional-firebase-stub:";
export declare const optionalFirebaseStubId: (id: string) => string;
export declare function optionalFirebaseStubCode(id: string): string;
export declare function isModuleInstalled(id: string, root: string): boolean;
export declare function optionalFirebaseStubPlugin(options?: {
    root?: string;
}): Plugin;