import { ServerOptionsResponse } from './types';
export declare const generateId: () => string;
export declare const generateUuidv7: () => string;
export declare const getCurrentTimestamp: () => string;
export declare const getCurrentUrl: () => string;
export declare const getPageTitle: () => string;
export declare const getReferrer: () => string;
export declare const isBrowser: () => boolean;
export declare const isNode: () => boolean;
export declare const fetchRemoteOptions: (apiHost: string, publishableKey: string, fetchFn?: typeof fetch) => Promise<ServerOptionsResponse | null>;
export declare const mergeOptions: <T extends Record<string, unknown>>(localOptions: T | null | undefined, remoteOptions: T | null | undefined) => T;
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