import type { JsonValue } from "../json.js";
export interface ParsedRequest {
    method: string;
    /** The `?op=` query action for the byte paths (`download` / `upload` / `proxy`). */
    action: string | null;
    /** Origin derived from the request URL, used as the default CSRF allowlist. */
    requestOrigin: string;
    /** The request URL's path — the endpoint an upload token is bound to. */
    path: string;
    query: URLSearchParams;
    origin: string | null;
    rangeHeader: string | null;
    /** The `If-Range` validator guarding `rangeHeader`, if any. */
    ifRangeHeader: string | null;
    /** Parsed JSON body for a POST action; `undefined` otherwise. */
    json: JsonValue | undefined;
    /** Raw body stream for a byte-path PUT; `null` otherwise. */
    bodyStream: ReadableStream<Uint8Array> | null;
    contentType: string | null;
    contentLength: number | undefined;
    signal: AbortSignal;
}
export type ResultModel = {
    kind: "json";
    status: number;
    body: unknown;
    headers?: Record<string, string>;
} | {
    kind: "redirect";
    status: number;
    location: string;
} | {
    kind: "stream";
    status: number;
    headers: Record<string, string>;
    /** `null` answers a `HEAD`: the headers the `GET` would send, no body. */
    stream: ReadableStream<Uint8Array> | null;
};
/** Default cap on a JSON request body (1 MiB). */
export declare const DEFAULT_MAX_JSON_BODY_SIZE: number;
export declare const parseRequest: (req: Request, maxJsonBodySize?: number) => Promise<ParsedRequest>;
export declare const buildResponse: (model: ResultModel) => Response;
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