import { type FcmTokenPayload, type PushConfigResponse, type PushSubscriptionPayload } from "../protocol.js";
import type { SqliteDatabase } from "../db/database.js";
export interface PushStoreOptions {
    publicKey?: string;
    privateKey?: string;
}
export interface PushVapidDetails {
    subject: string;
    publicKey: string;
    privateKey: string;
}
export declare class PushStore {
    private readonly db;
    private readonly now;
    private readonly options;
    constructor(db: SqliteDatabase, now: () => number, options?: PushStoreOptions);
    getConfig(): PushConfigResponse;
    upsertSubscription(subscription: PushSubscriptionPayload): void;
    deleteSubscription(endpoint: string): void;
    listSubscriptions(): PushSubscriptionPayload[];
    upsertFcmToken(payload: FcmTokenPayload): void;
    deleteFcmToken(token: string): void;
    listFcmTokens(): FcmTokenPayload[];
    getVapidDetails(): PushVapidDetails;
    private getConfiguredKeys;
    private getOrCreateGeneratedKeys;
}
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