/// <reference types="node" />
export interface IHunk {
    buffer: Buffer;
    first: number;
    last: number;
    length: number;
    set(idx: number, value: number): void;
    at(idx: number): number;
    covers(idx: number): boolean;
    slice(start: number, end?: number): Buffer;
}
export declare class Hunk implements IHunk {
    private readonly _buffer;
    private readonly _offset;
    readonly buffer: Buffer;
    readonly first: number;
    readonly last: number;
    readonly length: number;
    constructor(buffer: Buffer, offset?: number);
    set(idx: number, value: number): void;
    at(idx: number): number;
    covers(idx: number): boolean;
    slice(start: number, end?: number): Buffer;
}