import type { PlatformAdapter } from '../../platform/index.js';
declare const WARN_BYTES: number;
declare const HYSTERESIS_BYTES: number;
declare const REALERT_COOLDOWN_MS: number;
interface AlertState {
    hasAlerted: boolean;
    lastAlertAt: number | null;
}
interface AlertDecision {
    alert: boolean;
    newState: AlertState;
}
declare function formatBytes(bytes: number): string;
declare function shouldAlert(freeBytes: number, state: AlertState, now: number): AlertDecision;
declare function checkDiskOnce(): Promise<void>;
declare function initDiskMonitor(adapter: PlatformAdapter, intervalMs?: number): void;
declare function stopDiskMonitor(): void;
declare function _testReset(): void;
export { initDiskMonitor, stopDiskMonitor, checkDiskOnce, shouldAlert, formatBytes, WARN_BYTES, HYSTERESIS_BYTES, REALERT_COOLDOWN_MS, _testReset, };
export type { AlertState, AlertDecision };