# Hierarchy For Package org.apache.log4j.helpers

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.log4j.helpers.MessageFormatter
  - org.apache.log4j.Priority
    - org.apache.log4j.Level (implements java.io.Serializable)
      - org.apache.log4j.helpers.UtilLoggingLevel

## Interface Hierarchy

- org.apache.log4j.helpers.Constants

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