import type { ObservabilityState } from './types';
export declare function evictStaleWorkflowSpans(state: ObservabilityState): void;
export declare function endAndRemoveWorkflowSpan(state: ObservabilityState, workflowId: string): void;
export declare function createWorkflowLifecycle(state: ObservabilityState): {
    endWorkflowSpan: (workflowId: string, status: 'ok' | 'error', message?: string) => void;
    evictStaleSpans: (maxAgeMs?: number) => number;
    dispose: () => void;
};