optional createdAt: Date;

optional datasetInput: string;

optional datasetMetadata: Record<string, string>;

optional datasetOutput: string;

optional externalId: string;

input: string;

optional metadata: Record<string, string>;

optional metrics: Metrics;

optional name: string;

optional output: RetrieverSpanAllowedOutputType;

optional redactedInput: string;

optional redactedOutput: RetrieverSpanAllowedOutputType;

optional statusCode: number;

optional stepNumber: number;

optional tags: string[];