import type ValueCollection from "../../../classes/ValueCollection";
import type { CompressionAlgorithm, Method } from "../../global";
import type { WebsocketData } from "../handle";
import type { Readable } from "stream";
export declare abstract class HttpContext {
    private compression;
    abstract aborted(): AbortSignal;
    abstract type(): 'http' | 'ws';
    abstract method(): Method;
    abstract path(): string;
    abstract clientIP(): string;
    abstract clientPort(): number;
    abstract getHeaders(): ValueCollection<string, string>;
    abstract onBodyChunk(callback: (chunk: ArrayBuffer, isLast: boolean) => Promise<any>): Promise<void>;
    compress(algorithm: CompressionAlgorithm | null): this;
    getCompression(): CompressionAlgorithm | null;
    compressionHeader(chunked: boolean): this;
    abstract status(code: number, message: string): this;
    abstract header(key: string, value: string): this;
    abstract write(data: ArrayBuffer | Readable): Promise<void>;
    abstract writeFile(file: string, start?: number, end?: number): void;
    abstract upgrade(data: WebsocketData): boolean;
}