/**
 * Hook to detect user's reduced motion preference
 * Returns true if user prefers reduced motion
 */
export declare function useReducedMotion(): boolean;
/**
 * Get effective animation duration based on speed and reduced motion preference
 */
export declare function getEffectiveDuration(speed: 'slow' | 'normal' | 'fast' | number, respectMotionPreference: boolean, prefersReducedMotion: boolean): string;
/**
 * Hook to manage loader visibility with delay, minimum duration, and transitions
 * Prevents flashing on fast loads and jarring quick disappears
 */
export declare function useLoaderVisibility(visible?: boolean, delay?: number, minDuration?: number, transition?: boolean | number): {
    shouldRender: boolean;
    opacity: number;
    transitionStyle: string;
};
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