import type { ContextOperationRequest } from '../context.ts';
import type { ParallelBranchSlot } from '../context/parallel-cache-entry.ts';
import type { WorkflowTimelineOperationDetail } from '../types.ts';
import type { EngineInternals } from './internals.ts';
export declare function operationTimelineDetail(operation: ContextOperationRequest, index: number, outcome: WorkflowTimelineOperationDetail['outcome'], options?: {
    error?: unknown;
    key?: string;
}): WorkflowTimelineOperationDetail;
export declare function parallelTimelineDetails(operations: readonly ContextOperationRequest[], slots: readonly ParallelBranchSlot[], branchNames?: readonly string[]): WorkflowTimelineOperationDetail[];
export declare function raceTimelineDetails(operations: readonly ContextOperationRequest[], winnerIndex: number, branchNames?: readonly string[], winnerError?: unknown): WorkflowTimelineOperationDetail[];
export declare function runAllTimelineDetails(branchNames: readonly string[], slots: readonly ParallelBranchSlot[], branches: Record<string, readonly [Function] | readonly [Function, unknown]>): WorkflowTimelineOperationDetail[];
export declare function recordTimelineBranches(internals: EngineInternals, workflowId: string, details: readonly WorkflowTimelineOperationDetail[]): void;
export declare function recordTimelineSpeculation(internals: EngineInternals, workflowId: string, details: readonly WorkflowTimelineOperationDetail[], outcome: 'committed' | 'rolled-back'): void;