/// <reference types="node" />
export declare class Chunk {
    flags: number;
    private _body;
    get body(): Buffer | undefined;
    set body(value: Buffer | undefined);
    static type: number;
    constructor(flags?: number, _body?: Buffer | undefined);
    get type(): number;
    get bytes(): Buffer;
}
export declare class BaseInitChunk extends Chunk {
    flags: number;
    initiateTag: number;
    advertisedRwnd: number;
    outboundStreams: number;
    inboundStreams: number;
    initialTsn: number;
    params: [number, Buffer][];
    constructor(flags?: number, body?: Buffer);
    get body(): Buffer;
}
export declare class InitChunk extends BaseInitChunk {
    static type: number;
    get type(): number;
}
export declare class InitAckChunk extends BaseInitChunk {
    static type: number;
    get type(): number;
}
export declare class ReConfigChunk extends BaseInitChunk {
    static type: number;
    get type(): number;
}
export declare class ForwardTsnChunk extends Chunk {
    flags: number;
    static type: number;
    streams: [number, number][];
    cumulativeTsn: number;
    constructor(flags: number, body: Buffer | undefined);
    get type(): number;
    set body(_: Buffer);
    get body(): Buffer;
}
export declare class DataChunk extends Chunk {
    flags: number;
    static type: number;
    get type(): number;
    tsn: number;
    streamId: number;
    streamSeq: number;
    protocol: number;
    userData: Buffer;
    abandoned?: boolean;
    acked?: boolean;
    bookSize?: number;
    expiry?: number;
    maxRetransmits?: number;
    misses?: number;
    retransmit?: boolean;
    sentCount?: number;
    sentTime?: number;
    constructor(flags: number, body: Buffer | undefined);
    get bytes(): Buffer;
}
export declare class CookieEchoChunk extends Chunk {
    static type: number;
    get type(): number;
}
export declare class CookieAckChunk extends Chunk {
    static type: number;
    get type(): number;
}
export declare class BaseParamsChunk extends Chunk {
    flags: number;
    params: [number, Buffer][];
    constructor(flags?: number, body?: Buffer | undefined);
    get body(): Buffer;
}
export declare class AbortChunk extends BaseParamsChunk {
    static type: number;
    get type(): number;
}
export declare class ErrorChunk extends BaseParamsChunk {
    static type: number;
    get type(): number;
}
export declare class HeartbeatChunk extends BaseParamsChunk {
    static type: number;
    get type(): number;
}
export declare class HeartbeatAckChunk extends BaseParamsChunk {
    static type: number;
    get type(): number;
}
export declare class ReconfigChunk extends BaseParamsChunk {
    static type: number;
    get type(): number;
}
export declare class SackChunk extends Chunk {
    flags: number;
    static type: number;
    get type(): number;
    gaps: [number, number][];
    duplicates: number[];
    cumulativeTsn: number;
    advertisedRwnd: number;
    constructor(flags: number, body: Buffer | undefined);
    get bytes(): Buffer;
}
export declare class ShutdownChunk extends Chunk {
    flags: number;
    static type: number;
    get type(): number;
    cumulativeTsn: number;
    constructor(flags: number, body: Buffer | undefined);
    get body(): Buffer;
}
export declare class ShutdownAckChunk extends Chunk {
    static type: number;
    get type(): number;
}
export declare class ShutdownCompleteChunk extends Chunk {
    static type: number;
    get type(): number;
}
export declare const CHUNK_TYPES: {
    [key: string]: typeof Chunk;
};
export declare function decodeParams(body: Buffer): [number, Buffer][];
export declare function parsePacket(data: Buffer): [number, number, number, Chunk[]];
export declare function serializePacket(sourcePort: number, destinationPort: number, verificationTag: number, chunk: Chunk): Buffer;