MetricHeader
import type { MetricHeader } from "https://googleapis.deno.dev/v1/analyticsdata:v1beta.ts";Describes a metric column in the report. Visible metrics requested in a report produce column entries within rows and MetricHeaders. However, metrics used exclusively within filters or expressions do not produce columns in a report; correspondingly, those metrics do not produce headers.
interface MetricHeader  {
name?: string;
type?: 
} | "METRIC_TYPE_UNSPECIFIED"
 | "TYPE_INTEGER"
 | "TYPE_FLOAT"
 | "TYPE_SECONDS"
 | "TYPE_MILLISECONDS"
 | "TYPE_MINUTES"
 | "TYPE_HOURS"
 | "TYPE_STANDARD"
 | "TYPE_CURRENCY"
 | "TYPE_FEET"
 | "TYPE_MILES"
 | "TYPE_METERS"
 | "TYPE_KILOMETERS";