# Hierarchy For All Packages

Package Hierarchies:

- java.util.concurrent

## Class Hierarchy

- java.lang.Object
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - java.util.concurrent.StructuredTaskScope.FailedExceptionPREVIEW
        - java.util.concurrent.StructuredTaskScope.TimeoutExceptionPREVIEW

## Interface Hierarchy

- java.lang.AutoCloseable
  - java.util.concurrent.StructuredTaskScopePREVIEW<T,R>
- java.util.concurrent.StructuredTaskScope.ConfigurationPREVIEW
- java.util.concurrent.StructuredTaskScope.JoinerPREVIEW<T,R>
- java.util.function.Supplier<T>
  - java.util.concurrent.StructuredTaskScope.SubtaskPREVIEW<T>

## Enum Class Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    - java.util.concurrent.StructuredTaskScope.Subtask.StatePREVIEW