import { NormalizedHotkeyString } from './hotkey.js';
interface SequenceTrackerOptions {
    onReset?: () => void;
}
export declare const SEQUENCE_DELIMITER = " ";
declare const sequenceBrand: unique symbol;
export type NormalizedSequenceString = string & {
    [sequenceBrand]: true;
};
export declare class SequenceTracker {
    static readonly CHORD_TIMEOUT = 1500;
    private _path;
    private timer;
    private onReset;
    constructor({ onReset }?: SequenceTrackerOptions);
    get path(): readonly NormalizedHotkeyString[];
    get sequence(): NormalizedSequenceString;
    registerKeypress(event: KeyboardEvent): void;
    reset(): void;
    private killTimer;
    private startTimer;
}
export declare function normalizeSequence(sequence: string): NormalizedSequenceString;
export {};