/**
 * SoundPool.ts
 *
 * Pre-registered sound bank with instance pooling.
 * Provides named sound references for the AudioEngine.
 */
export interface SoundDefinition {
    id: string;
    name: string;
    duration: number;
    category: string;
    volume: number;
    loop: boolean;
}
export declare class SoundPool {
    private sounds;
    /**
     * Register a sound definition.
     */
    register(sound: SoundDefinition): void;
    /**
     * Register multiple sounds.
     */
    registerAll(sounds: SoundDefinition[]): void;
    /**
     * Get a sound definition by ID.
     */
    get(id: string): SoundDefinition | undefined;
    /**
     * Check if a sound is registered.
     */
    has(id: string): boolean;
    /**
     * Get all sounds in a category.
     */
    getByCategory(category: string): SoundDefinition[];
    /**
     * Get a random sound from a category (for variation).
     */
    getRandomFromCategory(category: string): SoundDefinition | undefined;
    /**
     * Get count of registered sounds.
     */
    get count(): number;
    /**
     * List all registered sound IDs.
     */
    listIds(): string[];
}
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