/**
 * @packageDocumentation
 * @module utils
 */
import { Callback, Keys, Nullable, Readonlyable } from '../types/public-api';
export declare const getBaseHref: () => string;
export declare const ifExist: <T>(toCheck: boolean | T, truthyValue: T, fallback?: T) => T;
export declare const isAbsoluteUrl: (url: string) => boolean;
export declare const noop: Callback;
export declare const toKeys: <T extends object>(source: T) => Keys<T>;
export declare const wrapText: (text?: string, wrapper?: Readonlyable<[string, string]>, fallback?: string) => string;
export declare function parseJSONStream<T>(text: string): T[];
