import { type CookieInfo, type HeaderMap, type RedirectChain, type TimingInfo, type TlsInfo, METADATA_BUDGET_BYTES } from "./types.js";
export interface BudgetInput {
    headers?: HeaderMap | undefined;
    tls?: TlsInfo | undefined;
    timing?: TimingInfo | undefined;
    redirectChain?: RedirectChain | undefined;
    cookies?: CookieInfo[] | undefined;
}
export interface BudgetResult {
    headers?: HeaderMap;
    tls?: TlsInfo;
    timing?: TimingInfo;
    redirectChain?: RedirectChain;
    cookies?: CookieInfo[];
    metadataBytes: number;
    cap: typeof METADATA_BUDGET_BYTES;
}
export declare function enforce(input: BudgetInput): BudgetResult;