Database or playlist statistics
@:optionaloptionaluptime:Null<Int>
@:optionaloptionalsongs:Null<Int>
@:optionaloptionalresponse:Null<Response>
@:optionaloptionalplaytime:Null<Int>
@:optionaloptionaldbUpdate:Null<Date>
@:optionaloptionaldbPlaytime:Null<Int>
@:optionaloptionalartists:Null<Int>
@:optionaloptionalalbums:Null<Int>