export declare class CachedAudio {
    private audioBuffer;
    private isDestroyed;
    private referenceCount;
    constructor(audioBuffer: AudioBuffer);
    /**
     * Get the raw audio buffer.
     * @returns The AudioBuffer instance
     */
    raw(): AudioBuffer;
    /**
     * Check if this cached audio is still alive (has valid audio buffer).
     * @returns True if alive
     */
    isAlive(): boolean;
    /**
     * Unload the cached audio. This method will unload the audio only if there are no active references.
     * @returns A promise that resolves when the operation is complete
     */
    unload(): Promise<void>;
    /**
     * Force unload the cached audio, even if there are active references.
     * @returns A promise that resolves when the operation is complete
     */
    forceUnload(): Promise<void>;
    /**
     * Increment the reference count.
     * @internal
     */
    _incrementRefCount(): void;
    /**
     * Decrement the reference count.
     * @internal
     */
    _decrementRefCount(): void;
    /**
     * Get the current reference count.
     * @internal
     */
    _getRefCount(): number;
}