/**
 * Type-safe timing configuration for picker auto-close behavior
 *
 * Provides semantic presets ('instant', 'fast', 'balanced', 'patient')
 * and auto-detection based on device/accessibility preferences.
 */
interface TimingConfig {
    /** Single gesture close delay (quick tap/drag) */
    readonly settleGracePeriod: number;
    /** Wheel/scroll momentum close delay */
    readonly wheelIdleTimeout: number;
    /** Multi-gesture browsing timeout */
    readonly idleTimeout: number;
    /** Force settle if vendor callback fails */
    readonly watchdogTimeout: number;
}
type TimingPreset = 'instant' | 'fast' | 'balanced' | 'patient';
/**
 * Predefined timing configurations with validated ratios
 *
 * Constraints enforced:
 * - wheelIdleTimeout >= settleGracePeriod * 5
 * - idleTimeout >= wheelIdleTimeout * 2
 * - watchdogTimeout >= settleGracePeriod * 5
 */
declare const TIMING_PRESETS: {
    /**
     * Instant close (50ms grace)
     * Best for: High-frequency data entry, power users
     */
    readonly instant: {
        readonly settleGracePeriod: 50;
        readonly wheelIdleTimeout: 300;
        readonly idleTimeout: 1500;
        readonly watchdogTimeout: 800;
    };
    /**
     * Fast close (100ms grace)
     * Best for: Desktop users, keyboard-heavy workflows
     */
    readonly fast: {
        readonly settleGracePeriod: 100;
        readonly wheelIdleTimeout: 500;
        readonly idleTimeout: 2500;
        readonly watchdogTimeout: 1000;
    };
    /**
     * Balanced close (150ms grace) - DEFAULT
     * Best for: General use, mixed input methods
     */
    readonly balanced: {
        readonly settleGracePeriod: 150;
        readonly wheelIdleTimeout: 800;
        readonly idleTimeout: 2500;
        readonly watchdogTimeout: 1000;
    };
    /**
     * Patient close (300ms grace)
     * Best for: Mobile, accessibility, reduced motion preference
     */
    readonly patient: {
        readonly settleGracePeriod: 300;
        readonly wheelIdleTimeout: 1200;
        readonly idleTimeout: 6000;
        readonly watchdogTimeout: 1500;
    };
};
/**
 * Auto-detect recommended timing preset based on:
 * - User accessibility preferences (prefers-reduced-motion)
 * - Device type (mobile vs desktop)
 * - Connection speed (for remote apps)
 *
 * @returns Recommended timing preset
 *
 * @example
 * ```tsx
 * <CollapsiblePicker timingPreset={getRecommendedTiming()} />
 * ```
 */
declare function getRecommendedTiming(): TimingPreset;

export { type TimingConfig as T, type TimingPreset as a, TIMING_PRESETS as b, getRecommendedTiming as g };