import { LogLevel } from '../utils/logger';
export declare function generateId(): string;
export declare function isValidEmail(email: string): boolean;
export declare function debounce<T extends (...args: P) => any, P extends any[]>(func: T, wait: number): (...args: P) => void;
export declare function getUtmParams(): Record<string, string>;
export declare function parseQueryString(queryString: string): Record<string, string>;
export declare function isString(value: any): boolean;
export declare function isObject(value: any): boolean;
export declare function parseLogLevel(value: string | null): LogLevel;
export declare const getUmExclusionState: () => boolean;