Span
import type { Span } from "https://googleapis.deno.dev/v1/ces:v1.ts";A span is a unit of work or a single operation during the request processing.
interface Span {
readonly attributes?: {};
[key: string]: any;
readonly childSpans?: Span[];
readonly duration?: number;
readonly endTime?: Date;
readonly name?: string;
readonly startTime?: Date;
}