export declare type RoundDifficulty = 'easy' | 'medium' | 'hard';
export declare const RoundDifficultyState: import("recoil").RecoilState<RoundDifficulty>;
export declare const RoundDurationState: import("recoil").RecoilState<number>;
export declare const ClockState: import("recoil").RecoilState<{
    start: number;
    elapsed: number;
    last: number;
    delta: number;
    now: number;
    end: number;
    remaining: number;
    frame: number;
}>;
export declare const ScoreState: import("recoil").RecoilState<{
    value: number;
}>;
export declare type RoundSequence = 'pre' | 'play' | 'post';
export declare const RoundSequenceState: import("recoil").RecoilState<RoundSequence>;
export declare const SceneLoadState: import("recoil").RecoilState<boolean>;
export declare const CurrentSketchState: import("recoil").RecoilState<"circles" | "boxing">;