export interface SkillCheckZone {
    start: number;
    end: number;
}
export interface SkillCheckConfig {
    trackWidth: number;
    zone: SkillCheckZone;
    markerPeriod: number;
    window: number;
    zoneDriftPerSecond?: number;
}
export interface SkillCheckResult {
    success: boolean;
    timedOut: boolean;
    markerPosition: number;
    zone: SkillCheckZone;
}
export declare function skillCheckMarkerPosition(config: SkillCheckConfig, elapsedSeconds: number): number;
/**
 * A timing-bar skill check that succeeds when the moving marker is released inside the target zone.
 *
 * @capability skill-check a timing-bar skill check where you release inside a zone
 */
export declare function skillCheckZoneAt(config: SkillCheckConfig, elapsedSeconds: number): SkillCheckZone;
export declare function evaluateSkillCheck(config: SkillCheckConfig, elapsedSeconds: number): SkillCheckResult;