ReceivedSpan
A span a page recorded, as it arrives checked (traceIntake).
export interface ReceivedSpan { trace: string; id: string; parent?: string; kind: "client" | "view" | "navigate" | "error"; name: string; hash?: string; /** ms since the epoch, by the browser's clock */ start: number; dur: number; error?: string; attrs: Record<string, string | number | boolean>; link?: string; }