# Hierarchy For Package org.apache.commons.configuration2.interpol

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.util.AbstractCollection<E> (implements java.util.Collection<E>)
    - java.util.AbstractList<E> (implements java.util.List<E>)
      - java.util.ArrayList<E> (implements java.lang.Cloneable, java.util.List<E>, java.util.RandomAccess, java.io.Serializable)
        - org.apache.commons.configuration2.interpol.ExprLookup.Variables
  - org.apache.commons.configuration2.interpol.ConfigurationInterpolator
  - org.apache.commons.configuration2.interpol.ConstantLookup (implements org.apache.commons.configuration2.interpol.Lookup)
  - org.apache.commons.configuration2.interpol.EnvironmentLookup (implements org.apache.commons.configuration2.interpol.Lookup)
  - org.apache.commons.configuration2.interpol.ExprLookup (implements org.apache.commons.configuration2.interpol.Lookup)
  - org.apache.commons.configuration2.interpol.ExprLookup.Variable
  - org.apache.commons.configuration2.interpol.InterpolatorSpecification
  - org.apache.commons.configuration2.interpol.InterpolatorSpecification.Builder
  - org.apache.commons.configuration2.interpol.SystemPropertiesLookup (implements org.apache.commons.configuration2.interpol.Lookup)

## Interface Hierarchy

- org.apache.commons.configuration2.interpol.Lookup

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.commons.configuration2.interpol.DefaultLookups
    - org.apache.commons.configuration2.interpol.DummyLookup (implements org.apache.commons.configuration2.interpol.Lookup)