import type { ClientStream, ClientStreamEvent } from "@opengeni/contracts/client-error-report";
export type StreamHealthState = "idle" | "connecting" | "live" | "reconnecting" | "ended" | "error";
export declare const LONG_DISCONNECT_MS = 30000;
export declare const RECONNECT_REPORT_INTERVAL_MS = 60000;
export type StreamHealthMonitorOptions = {
    report: (event: ClientStreamEvent) => void;
    now?: (() => number) | undefined;
    isVisible?: (() => boolean) | undefined;
    setTimer?: ((callback: () => void, ms: number) => unknown) | undefined;
    clearTimer?: ((timer: unknown) => void) | undefined;
    longDisconnectMs?: number | undefined;
    reconnectReportIntervalMs?: number | undefined;
};
export type StreamHealthMonitor = {
    observe(state: StreamHealthState): void;
    visibilityChanged(): void;
    dispose(): void;
};
export declare function createStreamHealthMonitor(options: StreamHealthMonitorOptions): StreamHealthMonitor;
/** Report one live stream's health from its connection state while mounted. */
export declare function useStreamHealthTelemetry(stream: ClientStream, state: StreamHealthState): void;