import type { WorkflowConfig, WorkflowRestartPoint, WorkflowResumePointEntry } from '../../models/types.js';
export declare class WorkflowRestartNavigator {
    private readonly restartPoint;
    private active;
    constructor(restartPoint: WorkflowRestartPoint);
    isActive(): boolean;
    resolveRootStartStep(rootWorkflow: WorkflowConfig, explicitStartStep: string | undefined): string;
    resolveChildStartStep(childWorkflow: WorkflowConfig, callStack: readonly WorkflowResumePointEntry[]): string | undefined;
    private resolveEntryStep;
    private assertCallStackMatches;
}
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