OptionaldaysOptionalendThe end date of the analysis period (inclusive), as a Date object or an ISO 'YYYY-MM-DD' string.
By default, it is three days ago, the latest date the service always has data for.
It must fall within the range TrafficAreaAnalyticsDateRange states, and no later than two days before today.
The start date of the analysis period, as a Date object or an ISO 'YYYY-MM-DD' string.
The continuous date-range variant, which analyses traffic between
startDateandendDate.endDatefalls one to 31 UTC calendar days afterstartDate.