import type { USER_AGENT_TOKEN } from '@tramvai/module-client-hints';
import type { CookieOptions } from './tokens';
export declare const calculateExpires: (expires?: number | string | Date) => Date | undefined;
export declare const trimSubdomains: (host: string) => string;
type PrepareOptions = {
    userAgent: typeof USER_AGENT_TOKEN;
    defaultHost: string;
    secureProtocol: boolean;
};
export declare const prepareCookieOptions: ({ userAgent: { sameSiteNoneCompatible }, defaultHost, secureProtocol }: PrepareOptions, { sameSite, noSubdomains, ...options }: CookieOptions) => {
    expires: Date | undefined;
    domain: string | undefined;
    secure?: boolean | undefined;
    sameSite?: boolean | "lax" | "strict" | "none" | undefined;
    path?: string | undefined;
    httpOnly?: boolean | undefined;
};
export {};
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