import { KeyCode, KeyCodes } from './KeyCodes';
/** Returns either the key that matched, or null. */
export declare type KeyComboPredicate = (keys: KeyCodes) => KeyCode | null;
/** Recognizes a key down event. */
export declare type KeyComboFilter = (e: KeyboardEvent) => boolean;
export declare function convertKeyComboToPredicate(combos: string | string[]): KeyComboPredicate;
export declare function getBaseKeyCodes(combos: string | string[]): string[];