type InteractionSpan = {
    traceId: string;
    spanId: string;
};
type InteractionMeta = Record<string, unknown> | undefined;
export declare function startInteractionSpan(stage: string, branch: string, meta?: InteractionMeta): InteractionSpan | null;
export declare function endInteractionSpan(span: InteractionSpan | null | undefined, meta?: InteractionMeta): void;
export declare function withInteractionSpan<T>(stage: string, branch: string, meta: InteractionMeta, fn: () => T): T;
export {};