import type { RpcCancelPacket, RpcRequestPacket, RpcResponsePacket, SpiderMeshNode } from '@spider-mesh/core';
export type RelayRawData = Uint8Array | ArrayBuffer | ArrayBufferView | string | RelayRawData[];
export type RelayRpcFrame = {
    type: 'rpc';
    data: RpcRequestPacket | RpcResponsePacket | RpcCancelPacket;
};
export type RelayPublishFrame = {
    type: 'publish';
    topic: string;
    payload: Uint8Array;
};
export type RelaySubscribeFrame = {
    type: 'subscribe';
    topics: string[];
};
export type RelayUnsubscribeFrame = {
    type: 'unsubscribe';
    topics: string[];
};
export type RelayHelloFrame = {
    type: 'hello';
    me: SpiderMeshNode;
    target_id?: string;
};
export type RelayOfflineFrame = {
    type: 'offline';
    node_id: string;
};
export type RelayFrame = RelayRpcFrame | RelayPublishFrame | RelaySubscribeFrame | RelayUnsubscribeFrame | RelayHelloFrame | RelayOfflineFrame;
export declare function encodeRelayFrame(frame: RelayFrame): Uint8Array<ArrayBuffer>;
export declare function decodeRelayFrame(raw: Uint8Array): RelayFrame | null;
export declare function normalizeRelayRawData(raw: RelayRawData): Uint8Array;