/**
 * Asymmetric level smoother shared by every voice meter: fast attack so the
 * UI kicks with speech, slow release so it settles instead of twitching.
 * One implementation so the mic bars, edge glow, and width swell can never
 * drift apart in feel — only in their chosen constants.
 */
export declare class DictationLevelSmoother {
    private readonly attack;
    private readonly release;
    private value;
    constructor({ attack, release }: {
        attack: number;
        release: number;
    });
    next(target: number): number;
    current(): number;
}
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