DateRange
import type { DateRange } from "https://googleapis.deno.dev/v1/analyticsreporting:v4.ts";
A contiguous set of days: startDate, startDate + 1 day, ..., endDate. The
start and end dates are specified in
ISO8601 date format YYYY-MM-DD
.
interface DateRange {
endDate?: string;
startDate?: string;
}