export interface IAlertThresholds {
    maxFailureRate: number;
    maxDeliveryLatencyMs: number;
    maxStorageUtilizationBytes: number;
    maxEventEmissionLatencyMs: number;
}
export declare const DEFAULT_ALERT_THRESHOLDS: IAlertThresholds;
export interface IAlertHandler {
    onHighFailureRate(rate: number): void;
    onHighLatency(latencyMs: number): void;
    onStorageCapacity(utilizationBytes: number): void;
    onEventEmissionFailure(error: string): void;
}
export declare class AlertMonitor {
    private readonly thresholds;
    private readonly handler?;
    constructor(thresholds?: IAlertThresholds, handler?: IAlertHandler | undefined);
    checkFailureRate(delivered: number, failed: number): void;
    checkDeliveryLatency(latencyMs: number): void;
    checkStorageUtilization(bytes: number): void;
    checkEventEmission(error: string): void;
}
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