MetricKit iOS 15.5 to 16.0 API Differences

MXAppLaunchDiagnostic.h
Added MXAppLaunchDiagnostic
Added MXAppLaunchDiagnostic.callStackTree
Added MXAppLaunchDiagnostic.launchDuration
MXAppLaunchMetric.h
Added MXAppLaunchMetric.histogrammedExtendedLaunch
MXDiagnosticPayload.h
Added MXDiagnosticPayload.appLaunchDiagnostics
MXError.h
Added MXErrorDomain
Added MXErrorCode
Added MXErrorLaunchTaskInvalidID
Added MXErrorLaunchTaskMaxCount
Added MXErrorLaunchTaskPastDeadline
Added MXErrorLaunchTaskDuplicated
Added MXErrorLaunchTaskUnknown
Added MXErrorLaunchTaskInternalFailure
MXMetricManager.h
Added MXLaunchTaskID
Added +[MXMetricManager extendLaunchMeasurementForTaskID:error:]
Added +[MXMetricManager finishExtendedLaunchMeasurementForTaskID:error:]