@interface UsageAnalytics : ObjectAnalytics - (id)init; - (id)initWithWorkspace:(id)a0 withCache:(BOOL)a1; - (id)usageMarkersWithTag:(unsigned int)a0 andMetadata:(unsigned int)a1 fromDate:(id)a2 untilDate:(id)a3; - (id)allUsageMarkersWithTag:(unsigned int)a0; - (id)allUsageMarkersWithTag:(unsigned int)a0 andMetadata:(unsigned int)a1; - (id)lastHappenedWithTag:(unsigned int)a0; - (id)lastHappenedWithTag:(unsigned int)a0 andMetadata:(unsigned int)a1; - (id)usageMarkersWithTag:(unsigned int)a0 fromDate:(id)a1 untilDate:(id)a2; @end