type JourneyAttrs = Record<string, string | undefined>;
type AttributeValue = string | number | boolean;
export declare abstract class BaseJourney {
    protected abstract readonly journey: string;
    private spanAttrs;
    private traceIdFor;
    private emit;
    protected startJourney(instanceId: string, attrs?: JourneyAttrs): void;
    protected startSpan(span: string, instanceId: string, attrs?: JourneyAttrs): void;
    protected endSpan(span: string, instanceId: string): void;
    protected setAttribute(span: string, instanceId: string, key: string, value: AttributeValue): void;
    protected setJourneyAttribute(instanceId: string, key: string, value: AttributeValue): void;
    protected recordSpanError(span: string, instanceId: string, error: Error, attrs?: JourneyAttrs): void;
    protected recordJourneyError(instanceId: string, error: Error, attrs?: JourneyAttrs): void;
    protected endJourney(instanceId: string, attrs?: JourneyAttrs): void;
    protected sweepInstanceSpans(instanceId: string): void;
}
export {};