import { AudioFormat } from "./audio-format.mjs";
/**
 * Audio quality presets that balance performance and audio quality.
 * Quality affects the internal format negotiation order but users always
 * work with JavaScript Numbers (Float64).
 * The quality level determines the internal format negotiations for best performance.
 *
 * @enum AudioQuality
 *
 * @example
 * ```typescript
 * // For music production
 * const stream = await session.createAudioOutputStream({
 *   quality: AudioQuality.High
 * });
 *
 * // For games and general use
 * const stream = await session.createAudioOutputStream({
 *   quality: AudioQuality.Standard
 * });
 *
 * // For system sounds
 * const stream = await session.createAudioOutputStream({
 *   quality: AudioQuality.Efficient
 * });
 * ```
 */
export declare enum AudioQuality {
    /**
     * Highest quality audio with maximum precision.
     * Best for: Music production, mastering, critical listening
     * Performance: Highest CPU usage, best quality
     * Formats: Float64 → Float32 → Int32 → Int24_32 → Int16
     * Sample rates: 192kHz → 96kHz → 88.2kHz → 48kHz → 44.1kHz
     */
    High = "high",
    /**
     * Balanced quality and performance.
     * Best for: General music playback, games, most applications
     * Performance: Good balance of CPU usage and quality
     * Formats: Float32 → Float64 → Int16 → Int32
     * Sample rates: 48kHz → 44.1kHz → 96kHz → 88.2kHz → 32kHz
     */
    Standard = "standard",
    /**
     * Lower quality, optimized for performance.
     * Best for: Voice, system sounds, resource-constrained environments
     * Performance: Lowest CPU usage, acceptable quality
     * Formats: Int16 → Float32 → Float64 → Int32
     * Sample rates: 44.1kHz → 48kHz → 32kHz → 22.05kHz → 16kHz
     */
    Efficient = "efficient"
}
/**
 * Get the optimal format preference order for a given quality level.
 * This internal function maps user-friendly quality levels to technical format negotiations.
 */
export declare function getFormatPreferences(quality: AudioQuality): Array<AudioFormat>;
/**
 * Get the optimal sample rate preference order for a given quality level.
 * This internal function maps user-friendly quality levels to technical rate negotiations.
 */
export declare function getRatePreferences(quality: AudioQuality): Array<number>;