import type { V4DeviceDescriptor, V4DeviceInfo, V4SlotPatch } from './types';
export declare class V4Client {
    readonly clientId: string;
    devices: V4DeviceInfo[];
    constructor(clientId: string, devices?: V4DeviceInfo[]);
    /**
     * 获取设备
     * @param slotId 设备 ID
     */
    getDevice(slotId: string): V4DeviceInfo | undefined;
    /**
     * 分发被控方上行数据并同步设备列表
     * @param data 上行数据
     * @return 是否产生设备列表变更
     */
    dispatch(data: unknown): boolean;
    /**
     * 替换全部设备
     * @param devices 设备列表
     */
    replaceDevices(devices: (V4DeviceDescriptor | V4DeviceInfo)[]): void;
    /**
     * 新增或替换设备
     * @param device 设备信息
     */
    upsertDevice(device: V4DeviceInfo): void;
    /**
     * 移除设备
     * @param slotId 设备 ID
     */
    removeDevice(slotId: string): void;
    /**
     * 增量更新设备列表
     * @param added 新增或替换的设备
     * @param removed 移除的设备 ID
     */
    patchDevices(added: V4DeviceInfo[], removed: string[]): void;
    /**
     * 增量更新插槽状态
     * @param slots 插槽增量列表
     */
    patchSlots(slots: V4SlotPatch[]): void;
    /**
     * 销毁连接状态
     */
    destroy(): void;
    private updateDevicesFromEvent;
    private updateDevicesFromResponse;
    private findDeviceIndex;
    private static isRpcResponse;
    private static isEventPayload;
    private static hasDevicesResult;
    private mergePatch;
}