import { VeryfrontError } from "./errors.js";
import { type RequestLimits } from "./types.js";
export interface ReadBodyLimitOptions {
    /** Abort the read and cancel the underlying stream when the caller deadline expires. */
    signal?: AbortSignal;
}
/** Resolve and validate every request-boundary limit before it is used. */
export declare function resolveRequestLimits(limits?: RequestLimits): Required<RequestLimits>;
export declare function isRequestBodyTooLargeError(error: unknown): error is VeryfrontError;
export declare function validateRequestLimits(request: Request, limits?: RequestLimits): Required<RequestLimits>;
export declare function validateContentType(request: Request, expected: string | string[]): void;
export declare function readBodyWithLimit(request: Request, maxSize?: number): Promise<string>;
/**
 * Read a request body without accepting more than the configured byte limit.
 *
 * Content-Length is an early rejection hint only. The streamed byte count is
 * always authoritative, which also bounds chunked and dishonest requests.
 * Tiny transport chunks are coalesced into fixed-size blocks so chunk metadata
 * cannot grow independently of the byte limit.
 */
export declare function readBodyBytesWithLimit(request: Request, maxSize?: number, options?: ReadBodyLimitOptions): Promise<Uint8Array>;
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