import { ConnectProtocolControllMessageJsonPayload, ConnectProtocolControllSplitCheckComplete, ConnectProtocolControllMessageJsonStorageItem } from './constants';
type ConnectionSplitPackagesSide = 'wallet' | 'dapp';
export declare class ConnectionSplitPackages {
    private splitPackageCache;
    private splitMessageSendArray;
    private splitMessageReceivedArray;
    private splitMessageSenderVersionMap;
    constructor(side: ConnectionSplitPackagesSide);
    init(sendRawMsg: (msg: string, topic?: string | undefined) => Promise<number | void>): Promise<void>;
    tryParseMessageSplitPayload(message: string): ConnectProtocolControllMessageJsonPayload | undefined;
    updateTopicSenderVersion(topic: string, protocolVersion: number): Promise<void>;
    /**
     * topic
     * message 待发送的消息体
     * sendMsg 正常发送消息的方法
     * sendRawMsg 发送明文格式，即拆包消息的方法
    */
    sendSplitPackages(topic: string | undefined, message: string, sendMsg: (topic: string, msg: string, ttl?: number) => Promise<number | void>, sendRawMsg: (msg: string, topic?: string | undefined) => Promise<number | void>): Promise<void>;
    onReceivedPackageCheck(payload: ConnectProtocolControllMessageJsonStorageItem): Promise<ConnectProtocolControllSplitCheckComplete>;
    /** private methods */
    private mergePackageArray;
    private syncCache;
    private recoverFromCache;
}
export {};