export interface StreamIdleWatchdog {
    readonly controller: AbortController;
    readonly noteTransportActivity: () => void;
    readonly resetIdleTimer: () => void;
    readonly armInitialTransport: () => void;
    readonly armOutputTimer: () => void;
    readonly clear: () => void;
    readonly fired: () => boolean;
    readonly firedWatchdog: () => "transport" | "output" | undefined;
    readonly firedBudgetMs: () => number;
    readonly sawTransportActivity: () => boolean;
    readonly sawStreamProgress: () => boolean;
}
export declare function createStreamIdleWatchdog(): StreamIdleWatchdog;