Get Mileage statistics

/**
* Represents details info about Mileage scoring.
*
* @param period  Statistics period. See also [StatisticPeriod]
*/
fun *getMileageDetailsStatistics(period: StatisticPeriod): MileageDetails 

Response:

class MileageDetails(
       /**
        * Mileage rating range 0..100
        */
       val mileageRating: Int,

       /**
        * Average Mileage for week in km
        */
       val averageMileageForWeek: Float,

       /**
        * Average Mileage for month in km
        */
       val averageMileageForMonth: Float,

       /**
        * Total mileage in km
        */
       val mileageSummary: Float,

       /**
        * Predicted annual mileage in km
        */
       val expectedYearMileage: Float,

       /**
        * Diagram data mileage for period km/date
        */
       val mileageDiagram: Array<DiagramEntity>?
)