• Counted
• Counter
• Counting
• DefaultMetadata
• Gauge
• Gauge
• Histogram
• Metadata
• MetadataBuilder
• Metric
• Metric
• MetricFilter
• MetricID
• MetricRegistry
• MetricRegistry.Type
• MetricUnits
• RegistryScope
• RegistryType
• Sampling
• Snapshot
• Snapshot.PercentileValue
• Tag
• Timed
• Timer
• Timer.Context