import { TimerConfig } from '../astro/MissionClock';
export interface AccessPass {
    /** Start time (AOS) */
    startTime: Date;
    /** End time (LOS) */
    endTime: Date;
    /** Duration in seconds */
    duration: number;
    /** Maximum elevation during pass (degrees) */
    maxElevation: number;
    /** Time of maximum elevation (TCA) */
    tcaTime?: Date;
    /** Ground station ID */
    groundStationId: string;
    /** Ground station name */
    groundStationName: string;
}
export interface AccessWindowsState {
    /** Currently active pass (if any) */
    currentPass: AccessPass | null;
    /** Next upcoming pass */
    nextPass: AccessPass | null;
    /** All upcoming passes */
    upcomingPasses: AccessPass[];
    /** Whether currently in a pass */
    isInPass: boolean;
    /** Current elevation (degrees, if in pass) */
    currentElevation: number | null;
    /** Current azimuth (degrees, if in pass) */
    currentAzimuth: number | null;
    /** Time until next AOS (seconds) */
    timeToAOS: number | null;
    /** Time until LOS (seconds, if in pass) */
    timeToLOS: number | null;
    /** Timer config for AOS (for MissionClock) */
    aosTimer: TimerConfig | null;
    /** Timer config for LOS (for MissionClock) */
    losTimer: TimerConfig | null;
    /** Timer config for TCA (for MissionClock) */
    tcaTimer: TimerConfig | null;
}
export interface UseAccessWindowsOptions {
    /** Update interval in milliseconds (default: 1000) */
    updateInterval?: number;
    /**
     * Access windows to track. Provide pre-computed passes (from your own
     * orbital propagator, SGP4, demo data, etc.). Pass `[]` or omit to
     * yield an empty/idle state.
     */
    windows?: AccessPass[];
    /**
     * @deprecated Use `windows`. Old alias kept for one minor for migration.
     */
    manualWindows?: AccessPass[];
}
export declare function useAccessWindows(options?: UseAccessWindowsOptions): AccessWindowsState;
/**
 * Generate demo access windows for testing
 */
export declare function createDemoAccessPasses(count?: number): AccessPass[];
export default useAccessWindows;