export declare class VoiceTimeoutError extends Error {
    readonly timeoutMs: number;
    constructor(timeoutMs: number);
}
export declare class ParentAbortError extends Error {
    constructor(reason?: unknown);
}
export declare function withTimeout<T>(run: (signal: AbortSignal) => Promise<T>, ms: number, parentSignal: AbortSignal): Promise<T>;
export declare function abortReason(signal: AbortSignal): unknown;