import { Dom } from '../dom'; export type ModifierKey = 'alt' | 'ctrl' | 'meta' | 'shift'; export declare namespace ModifierKey { function parse(modifiers: string | ModifierKey[]): { or: ModifierKey[]; and: ModifierKey[]; }; function equals(modifiers1?: string | ModifierKey[] | null, modifiers2?: string | ModifierKey[] | null): boolean; function isMatch(e: Dom.EventObject | WheelEvent, modifiers?: string | ModifierKey[] | null, strict?: boolean): boolean; }