export interface AnimationConfig {
    /** Animation duration in milliseconds */
    duration?: number;
    /** Animation delay in milliseconds */
    delay?: number;
    /** Animation easing function */
    easing?: string;
    /** Animation fill mode */
    fillMode?: "none" | "forwards" | "backwards" | "both";
    /** Animation direction */
    direction?: "normal" | "reverse" | "alternate" | "alternate-reverse";
    /** Animation iterations */
    iterations?: number | "infinite";
    /** Animation playback rate */
    playbackRate?: number;
    /** Enable physics-based animation */
    physics?: boolean;
    /** Spring configuration for physics animations */
    springConfig?: {
        stiffness: number;
        damping: number;
        mass: number;
        velocity: number;
        precision: number;
    };
}
export interface KeyframeConfig {
    /** CSS properties to animate */
    [property: string]: string | number;
}
export interface AnimationSequence {
    /** Sequence name */
    name: string;
    /** Animation steps */
    steps: AnimationStep[];
    /** Sequence configuration */
    config?: AnimationConfig;
    /** Sequence metadata */
    metadata?: {
        author?: string;
        version?: string;
        description?: string;
        tags?: string[];
    };
}
export interface AnimationStep {
    /** Step name */
    name?: string;
    /** Step duration */
    duration: number;
    /** Step delay */
    delay?: number;
    /** Step easing */
    easing?: string;
    /** Step keyframes */
    keyframes: KeyframeConfig | KeyframeConfig[];
    /** Step target selector */
    target?: string;
    /** Step completion callback */
    onComplete?: () => void;
    /** Step start callback */
    onStart?: () => void;
    /** Step configuration */
    config?: Partial<AnimationConfig>;
}
export interface AnimationPreset {
    /** Preset name */
    name: string;
    /** Preset configuration */
    config: AnimationConfig;
    /** Preset keyframes */
    keyframes: KeyframeConfig[];
    /** Preset category */
    category: "entrance" | "exit" | "attention" | "navigation" | "loading" | "hover" | "click";
    /** Preset description */
    description?: string;
    /** Preset tags */
    tags?: string[];
}
export interface AnimationGroup {
    /** Group name */
    name: string;
    /** Group animations */
    animations: (AnimationSequence | AnimationPreset)[];
    /** Group configuration */
    config?: {
        /** Play animations in parallel */
        parallel?: boolean;
        /** Stagger delay between animations */
        stagger?: number;
        /** Group repeat count */
        repeat?: number;
        /** Group playback rate */
        playbackRate?: number;
    };
    /** Group metadata */
    metadata?: {
        author?: string;
        version?: string;
        description?: string;
        tags?: string[];
    };
}
export interface AnimationTimeline {
    /** Timeline name */
    name: string;
    /** Timeline tracks */
    tracks: AnimationTrack[];
    /** Timeline duration */
    duration: number;
    /** Timeline configuration */
    config?: {
        /** Timeline playback rate */
        playbackRate?: number;
        /** Timeline loop */
        loop?: boolean;
        /** Timeline auto-play */
        autoPlay?: boolean;
    };
}
export interface AnimationTrack {
    /** Track name */
    name: string;
    /** Track target */
    target: string;
    /** Track animations */
    animations: AnimationSequence[];
    /** Track start time */
    startTime: number;
    /** Track configuration */
    config?: {
        /** Track playback rate */
        playbackRate?: number;
        /** Track volume (for audio tracks) */
        volume?: number;
        /** Track enabled state */
        enabled?: boolean;
    };
}
export interface AnimationState {
    /** Current animation status */
    status: "idle" | "playing" | "paused" | "completed" | "cancelled";
    /** Current progress (0-1) */
    progress: number;
    /** Current time in milliseconds */
    currentTime: number;
    /** Total duration in milliseconds */
    duration: number;
    /** Playback rate */
    playbackRate: number;
    /** Loop state */
    loop: boolean;
    /** Animation direction */
    direction: "normal" | "reverse";
    /** Active animations */
    activeAnimations: string[];
    /** Completed animations */
    completedAnimations: string[];
    /** Failed animations */
    failedAnimations: string[];
}
export interface AnimationController {
    /** Play animation */
    play: (name?: string) => Promise<void>;
    /** Pause animation */
    pause: (name?: string) => Promise<void>;
    /** Stop animation */
    stop: (name?: string) => Promise<void>;
    /** Seek to time */
    seek: (time: number, name?: string) => Promise<void>;
    /** Set playback rate */
    setPlaybackRate: (rate: number, name?: string) => Promise<void>;
    /** Set loop */
    setLoop: (loop: boolean, name?: string) => Promise<void>;
    /** Reverse animation */
    reverse: (name?: string) => Promise<void>;
    /** Get animation state */
    getState: (name?: string) => AnimationState;
    /** Add event listener */
    addEventListener: (event: string, callback: Function, name?: string) => void;
    /** Remove event listener */
    removeEventListener: (event: string, callback: Function, name?: string) => void;
    /** Destroy controller */
    destroy: () => void;
}
export interface AnimationManager {
    /** Register animation */
    register: (animation: AnimationSequence | AnimationPreset | AnimationGroup) => string;
    /** Unregister animation */
    unregister: (id: string) => boolean;
    /** Get animation */
    get: (id: string) => AnimationSequence | AnimationPreset | AnimationGroup | undefined;
    /** List animations */
    list: (category?: string) => (AnimationSequence | AnimationPreset | AnimationGroup)[];
    /** Create controller for animation */
    createController: (id: string) => AnimationController;
    /** Play animation */
    play: (id: string) => Promise<void>;
    /** Stop all animations */
    stopAll: () => Promise<void>;
    /** Pause all animations */
    pauseAll: () => Promise<void>;
    /** Set global playback rate */
    setGlobalPlaybackRate: (rate: number) => void;
    /** Enable/disable animations globally */
    setAnimationsEnabled: (enabled: boolean) => void;
    /** Check if animations are enabled */
    areAnimationsEnabled: () => boolean;
    /** Get performance metrics */
    getPerformanceMetrics: () => {
        totalAnimations: number;
        activeAnimations: number;
        averageDuration: number;
        totalDuration: number;
        memoryUsage: number;
    };
}
export type AnimationEventType = "start" | "complete" | "cancel" | "pause" | "resume" | "seek" | "iteration" | "error";
export interface AnimationEvent {
    type: AnimationEventType;
    animationId: string;
    timestamp: number;
    data?: unknown;
}
export interface PhysicsConfig {
    /** Gravity vector */
    gravity?: {
        x: number;
        y: number;
        z?: number;
    };
    /** Air resistance */
    airResistance?: number;
    /** Surface friction */
    friction?: number;
    /** Restitution (bounciness) */
    restitution?: number;
    /** Collision detection */
    collisionDetection?: boolean;
    /** Bounds */
    bounds?: {
        left?: number;
        right?: number;
        top?: number;
        bottom?: number;
        front?: number;
        back?: number;
    };
    /** Time step for simulation */
    timeStep?: number;
    /** Maximum simulation steps per frame */
    maxSteps?: number;
    /** Integration method */
    integration?: "euler" | "verlet" | "rk4";
}
export interface PhysicsBody {
    /** Body ID */
    id: string;
    /** Body position */
    position: {
        x: number;
        y: number;
        z?: number;
    };
    /** Body velocity */
    velocity: {
        x: number;
        y: number;
        z?: number;
    };
    /** Body acceleration */
    acceleration: {
        x: number;
        y: number;
        z?: number;
    };
    /** Body mass */
    mass: number;
    /** Body shape */
    shape: "circle" | "rectangle" | "polygon" | "custom";
    /** Body dimensions */
    dimensions: {
        width?: number;
        height?: number;
        radius?: number;
        points?: {
            x: number;
            y: number;
        }[];
    };
    /** Body material properties */
    material: {
        friction: number;
        restitution: number;
        density: number;
    };
    /** Body state */
    state: {
        isStatic: boolean;
        isKinematic: boolean;
        isSleeping: boolean;
        gravityScale: number;
    };
    /** Body forces */
    forces: Array<{
        force: {
            x: number;
            y: number;
            z?: number;
        };
        duration?: number;
        type: "constant" | "impulse" | "drag";
    }>;
    /** Body constraints */
    constraints: Array<{
        type: "distance" | "angle" | "axis";
        target: PhysicsBody | {
            x: number;
            y: number;
            z?: number;
        };
        stiffness: number;
        damping: number;
    }>;
}
export interface PhysicsWorld {
    /** World bodies */
    bodies: PhysicsBody[];
    /** World configuration */
    config: PhysicsConfig;
    /** World forces */
    forces: Array<{
        type: "gravity" | "wind" | "magnetic";
        vector: {
            x: number;
            y: number;
            z?: number;
        };
        strength: number;
    }>;
    /** World constraints */
    constraints: Array<{
        type: "distance" | "angle" | "axis" | "surface";
        bodies: [PhysicsBody, PhysicsBody] | [PhysicsBody, {
            x: number;
            y: number;
            z?: number;
        }];
        stiffness: number;
        damping: number;
    }>;
}
export interface AnimationPerformanceMetrics {
    /** Frames per second */
    fps: number;
    /** Frame time in milliseconds */
    frameTime: number;
    /** Animation duration in milliseconds */
    animationDuration: number;
    /** Memory usage in bytes */
    memoryUsage: number;
    /** CPU usage percentage */
    cpuUsage: number;
    /** Dropped frames count */
    droppedFrames: number;
    /** Animation smoothness score (0-100) */
    smoothnessScore: number;
    /** Power consumption estimate */
    powerConsumption: "low" | "medium" | "high";
}
export interface AnimationAccessibilityConfig {
    /** Respect reduced motion preference */
    respectReducedMotion: boolean;
    /** Reduced motion fallback */
    reducedMotionFallback: "none" | "opacity" | "transform";
    /** Enable high contrast mode */
    highContrastMode: boolean;
    /** Animation warning threshold */
    warningThreshold: number;
    /** Allow user to disable animations */
    allowDisable: boolean;
    /** Focus management during animations */
    focusManagement: boolean;
    /** Screen reader announcements */
    screenReaderAnnouncements: boolean;
}
export type AnimationType = "css" | "javascript" | "web-animations" | "physics" | "canvas";
export type AnimationStatus = "idle" | "playing" | "paused" | "completed" | "cancelled" | "error";
export type AnimationPriority = "low" | "normal" | "high" | "critical";
export interface AnimationOptions extends AnimationConfig {
    /** Animation type */
    type?: AnimationType;
    /** Animation priority */
    priority?: AnimationPriority;
    /** Animation accessibility config */
    accessibility?: Partial<AnimationAccessibilityConfig>;
    /** Animation performance config */
    performance?: {
        throttle?: boolean;
        debounce?: number;
        batch?: boolean;
    };
    /** Animation debugging */
    debug?: boolean;
    /** Animation metadata */
    metadata?: {
        author?: string;
        version?: string;
        description?: string;
        tags?: string[];
    };
}
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