# Hierarchy For Package picard.metrics

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - htsjdk.samtools.metrics.MetricBase
    - picard.metrics.GcBiasMetrics
    - picard.metrics.MultilevelMetrics
  - picard.metrics.MultiLevelCollector<METRIC_TYPE,​Histogram_KEY,​ARGTYPE>
    - picard.metrics.SAMRecordAndReferenceMultiLevelCollector<BEAN,​HKEY>
    - picard.metrics.SAMRecordMultiLevelCollector<BEAN,​HKEY>
  - picard.metrics.SAMRecordAndReference

## Interface Hierarchy

- picard.metrics.PerUnitMetricCollector<BEAN,​HKEY,​ARGTYPE>