import type { IncomingMessage, ServerResponse } from "node:http";
export interface ByteRange {
    start: number;
    end: number;
}
export declare function parseRangeHeader(header: string | undefined, size: number): ByteRange | "unsatisfiable" | null;
export interface StreamFileOptions {
    mime: string;
    filename: string;
    disposition: "inline" | "attachment";
    cacheHeaders?: Record<string, string>;
}
export declare function streamFile(req: IncomingMessage, res: ServerResponse, filePath: string, options: StreamFileOptions): Promise<void>;
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