import { JSX } from '../stencil-public-runtime';
export declare const isBrowser: () => boolean;
export declare const formatAs: (value: string, suffix: string) => string;
export declare const formatAsRem: (value: string) => string;
export declare const formatAsPx: (value: string) => string;
export declare const remToPx: (remString: string) => string;
export declare const pxToRem: (pxString: string) => string;
export declare function idGenerator(id: string): Generator<string, void, unknown>;
export declare const debounce: (func: Function, wait?: number, immediate?: boolean) => {
    (...args: unknown[]): void;
    cancel(): void;
};
export declare const throttle: (func: Function, timeFrame?: number) => (...args: unknown[]) => void;
export declare const transformTagName: <T extends keyof JSX.IntrinsicElements>(tagToBeTransformed: T, knownUntransformedTag: keyof JSX.IntrinsicElements, knownUntransformedTagElementReference: HTMLElement) => T;
export declare const declareComponentDependencies: (_t: JSX.IntrinsicElements[]) => void;
export declare const arrayGroupBy: <T, K extends keyof T>(arr: T[], key: K) => Record<PropertyKey, T[]>;
export declare const parseBoolean: (value?: string) => boolean;
export declare const omit: <T extends Record<string, unknown>, K extends keyof T>(obj: T, keys: K[]) => Omit<T, K>;
export declare const ifDefined: <T>(key: string, value: T | undefined) => {
    [x: string]: T;
};
export declare const componentOnReady: <T = any>(el: T & {
    componentOnReady?: () => Promise<T>;
}) => Promise<T>;
export declare function isKey<const TKeys extends readonly string[]>(key: string, keys: TKeys, excludes?: readonly TKeys[number][]): key is TKeys[number];
declare const arrowKeys: readonly ["ArrowUp", "ArrowDown", "ArrowLeft", "ArrowRight"];
type ArrowKey = (typeof arrowKeys)[number];
export declare function isArrowKey(key: string, excludes?: readonly ArrowKey[]): key is ArrowKey;
declare const selectionKeys: readonly ["Enter", " "];
type SelectionKey = (typeof selectionKeys)[number];
export declare function isSelectionKey(key: string, excludes?: readonly SelectionKey[]): key is SelectionKey;
export declare const getShadowHost: (el: HTMLElement) => HTMLElement;
export declare const getComposedParent: (el: HTMLElement) => HTMLElement;
export declare const hasComposedClosest: (el: HTMLElement | null, selector: string) => boolean;
export declare const getComposedClosestElement: (el: HTMLElement, selector: string) => HTMLElement;
export declare const resolveMatomoAppName: (el: HTMLElement) => string;
export declare const injectMatomoScript: () => void;
export declare const isEventWithinElement: (event: Event, elem: HTMLElement) => boolean;
export declare const nextFrame: () => Promise<void>;
export {};