import NodeCache from 'node-cache';
import { Network } from '../constants';
import { IDexHelper } from '../dex-helper';
import { Logger } from '../types';
type KeyValuePubSubMsg = {
    expiresAt: number;
    data: Record<string, unknown>;
};
type SetPubSubMsg = string[];
export declare class ExpStringPubSub {
    private dexHelper;
    private dexKey;
    private defaultValue?;
    private defaultTTL?;
    channel: string;
    network: Network;
    localCache: NodeCache;
    logger: Logger;
    constructor(dexHelper: IDexHelper, dexKey: string, channel: string, defaultValue?: any | undefined, defaultTTL?: number | undefined);
    subscribe(): void;
    publish(data: Record<string, unknown>, ttl: number): void;
    handleSubscription(msg: KeyValuePubSubMsg): void;
    getAndCache<T>(key: string): Promise<T | null>;
}
export declare class ExpHashPubSub {
    private dexHelper;
    private hashKey;
    private ttl;
    localCache: NodeCache;
    logger: Logger;
    constructor(dexHelper: IDexHelper, hashKey: string, ttl: number);
    subscribe(): void;
    publish(data: Record<string, unknown>): void;
    handleSubscription(msg: KeyValuePubSubMsg): void;
    getAndCache<T>(key: string): Promise<T | null>;
}
export declare class NonExpSetPubSub {
    private dexHelper;
    private dexKey;
    channel: string;
    network: Network;
    set: Set<string>;
    logger: Logger;
    constructor(dexHelper: IDexHelper, dexKey: string, channel: string);
    initializeAndSubscribe(initialSet: string[]): Promise<void>;
    subscribe(): void;
    publish(msg: SetPubSubMsg): void;
    handleSubscription(set: SetPubSubMsg): void;
    has(key: string): Promise<boolean>;
}
export {};