import type { Auth } from 'firebase-admin/auth';
import type { ProjectConfig } from '../config';
import { Task } from '../task';
export declare class FirebaseInitError extends Error {
    readonly cause?: unknown | undefined;
    readonly _tag: "FirebaseInitError";
    constructor(message: string, cause?: unknown | undefined);
}
export interface FirebaseClients {
    firestore: () => FirebaseFirestore.Firestore;
    auth: () => Auth;
}
export declare const initFirebase: (config: ProjectConfig) => Task<FirebaseClients, FirebaseInitError>;
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