import type { MisfireCount } from '../core/materializer/materialize';
export interface SchedulerMetrics {
    recordDispatch(taskType: string): void;
    recordFireOutcome(taskType: string, result: 'success' | 'failure'): void;
    recordRetry(taskType: string): void;
    observeDispatchLagSeconds(taskType: string, seconds: number): void;
    recordLeaseLost(taskType: string): void;
    recordMaterialized(occurrences: number, deferredJobs: number): void;
    recordMisfired(discarded: MisfireCount[]): void;
    recordRetired(retired: number): void;
    recordReaped(reclaimed: number, deadLettered: number, missed: number): void;
    recordDeadLettered(): void;
    recordPruned(deleted: number): void;
    recordReconciled(quarantined: number, deleted: number, revived: number): void;
}
export declare const noopMetrics: SchedulerMetrics;