/**
 * Copyright (c) Cisco Systems, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */
export declare const indicesOf: (text: string, searchString: string) => number[][];
export declare const mergeRange: ([...ranges]: Iterable<any, void, undefined>) => any[][];
export declare const findHighlight: (text: string, query: string) => {
    range: number[];
    matching: boolean;
    text: string;
}[];
export declare function debounce<T>(func: Function, wait: number, immediate?: boolean): (this: T, ...args: any[]) => void;
export declare const throttle: (fn: (...args: any[]) => unknown, delay?: number) => (...args: any[]) => void;
export declare function closestElement(selector: string, base: HTMLElement): HTMLElement | null;
export declare function getElementSafe<T>(elements: T[], index: number): T | undefined;
export declare function querySelectorDeep(selector: string, base?: HTMLElement | Document | ShadowRoot): Element | null;
export declare function getElementByIdDeep(id: string, base?: HTMLElement | Document | ShadowRoot): Element | null;
export declare function getDeepActiveElement(): HTMLElement | null;