/** Goal-based motion preset applied to the avatar. */
export type AvatoonGoal = 'Normal' | 'Muscle' | 'Sleep';
/**
 * Imperative handle exposed via a `ref` on `<Avatoon>`, for controlling
 * voice playback from outside the component.
 */
export interface AvatoonHandle {
    /** Start audio playback and lip-sync. */
    play: () => void;
    /** Stop audio playback and lip-sync. */
    stop: () => void;
    /** Toggle playback on/off. */
    toggle: () => void;
}
export interface VisemeData {
    /** Time-ordered viseme keyframes (see the phoneme-to-viseme map). */
    visemes: Array<{
        time: number;
        viseme: string | null;
    }>;
    /** Base64-encoded WAV audio played in sync with the visemes. */
    audio_base64?: string;
}
export interface RawVisemeEntry {
    time: number;
    viseme: string | null;
}
export interface AvatoonModelProps {
    url: string;
    goal?: AvatoonGoal | null;
    onRenderComplete?: () => void;
    shouldPlay: boolean;
    visemeJson?: VisemeData;
}
/** Built-in drei lighting/environment presets. */
export type EnvironmentPreset = 'apartment' | 'city' | 'dawn' | 'forest' | 'lobby' | 'night' | 'park' | 'studio' | 'sunset' | 'warehouse';
/** Scene environment options shared by the avatar components. */
export interface AvatoonEnvironmentProps {
    /** drei `<Environment>` lighting preset. Defaults to `"sunset"`. */
    environmentPreset?: EnvironmentPreset;
    /** Custom HDR/EXR environment file(s). Overrides `environmentPreset`. */
    environmentFiles?: string | string[];
    /** Render the environment as the scene background. Defaults to `false`. */
    environmentBackground?: boolean;
}
/** Camera framing options shared by the avatar components. */
export interface AvatoonCameraProps {
    /** Perspective camera vertical field-of-view. Defaults to `17`. */
    fov?: number;
    /** Camera position `[x, y, z]`. Defaults to `[0, 1.5, 2.2]`. */
    cameraPosition?: [number, number, number];
    /** OrbitControls look-at target `[x, y, z]`. Defaults to `[0, 1.2, 0]`. */
    cameraTarget?: [number, number, number];
}
export interface AvatoonProps extends AvatoonCameraProps, AvatoonEnvironmentProps {
    /** URL to the `.glb` avatar file (T1 or T2). */
    glbUrl: string;
    /** Goal-based motion preset. Defaults to `"Normal"`. */
    goal?: AvatoonGoal | null;
    /** Fired once when the avatar has finished its first render. */
    onRenderComplete?: () => void;
    /** Fired if the avatar model fails to load (e.g. a bad `glbUrl`). */
    onError?: (error: Error) => void;
    /** Viseme keyframes (and optional audio) used to drive lip-sync. */
    visemeJson?: VisemeData;
    /** Render a built-in play/stop voice button in the scene. Defaults to `false`. */
    showPlayVoiceButton?: boolean;
}