/// <reference types="node" />
export declare type DataHandler = (data: Buffer) => Promise<Buffer>;
export declare type MoneyHandler = (amount: string) => Promise<void>;
import { EventEmitter2 } from 'eventemitter2';
export interface PluginInstance extends EventEmitter2 {
    connect(options: {}): Promise<void>;
    disconnect(): Promise<void>;
    isConnected(): boolean;
    sendData(data: Buffer): Promise<Buffer>;
    sendMoney(amount: string): Promise<void>;
    registerDataHandler(dataHandler: DataHandler): void;
    deregisterDataHandler(): void;
    registerMoneyHandler(moneyHandler: MoneyHandler): void;
    deregisterMoneyHandler(): void;
    getAdminInfo?(): Promise<object>;
    sendAdminInfo?(info: object): Promise<object>;
}
export interface PluginServices {
    log?: Logger;
    store?: Store;
}
export interface Logger {
    info(...msg: any[]): void;
    warn(...msg: any[]): void;
    error(...msg: any[]): void;
    debug(...msg: any[]): void;
    trace(...msg: any[]): void;
}
export interface Store {
    get: (key: string) => Promise<string | void>;
    put: (key: string, value: string) => Promise<void>;
    del: (key: string) => Promise<void>;
}
export declare class MemoryStore implements Store {
    private _store;
    get(k: string): Promise<string | undefined>;
    put(k: string, v: string): Promise<void>;
    del(k: string): Promise<void>;
}