/// <reference types="node" />
export declare type ClientMessage = {
    id: string;
    type: 'connected';
} | {
    id: string;
    type: 'aborted';
} | {
    id: string;
    type: 'frame';
    frame: Buffer;
} | {
    type: 'wk-request';
    requestId: string;
    path: string;
} | {
    type: 'wk-response';
    requestId: string;
    content: Buffer | null;
} | {
    type: 'ka';
};
export declare function parseClientProto(buffer: Buffer): ClientMessage | null;
export declare function serializeClientProto(msg: ClientMessage): Buffer;