import React from 'react';
import * as THREE from 'three';
import { AnimationConfigMap, AnimationType } from '../types/animation';
/**
 * Animation constants used throughout the animation system
 */
export declare const ANIMATION_CONSTANT: {
    /** Duration for fade in/out transitions (seconds) */
    readonly FADE_DURATION: 0.3;
    /** Default animation duration (seconds) */
    readonly DEFAULT_DURATION: 0.5;
};
/**
 * Hook for handling character animations
 *
 * This hook manages animation playback, transitions, and sequencing.
 * It handles fading between animations, setting up animation chains,
 * and managing animation states.
 *
 * @param animationRef - Reference to the current animation action
 * @param animationConfigMap - Configuration map for all possible animations
 * @param api - Object containing animation actions and mixer
 * @returns void
 */
export declare const useAnimationHandler: (animationRef: React.RefObject<AnimationType | undefined>, animationConfigMap: AnimationConfigMap, api: {
    actions: Record<string, THREE.AnimationAction | null>;
    mixer: THREE.AnimationMixer;
}, onAnimationComplete?: (type: AnimationType) => void) => void;