# Hierarchy For Package org.kie.api.runtime.process

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - org.kie.api.runtime.process.ProcessWorkItemHandlerException

## Interface Hierarchy

- org.kie.api.runtime.process.DataTransformer
- org.kie.api.runtime.process.EventListener
  - org.kie.api.runtime.process.ProcessInstance
    - org.kie.api.runtime.process.WorkflowProcessInstance (also extends org.kie.api.runtime.process.NodeInstanceContainer)
- org.kie.api.runtime.KieContext
  - org.kie.api.runtime.process.ProcessContext
- org.kie.api.runtime.process.NodeInstance
- org.kie.api.runtime.process.NodeInstanceContainer
  - org.kie.api.runtime.process.WorkflowProcessInstance (also extends org.kie.api.runtime.process.ProcessInstance)
- org.kie.api.runtime.process.ProcessRuntime
- org.kie.api.runtime.process.StatefulProcessSession
- org.kie.api.runtime.process.StatelessProcessSession
- org.kie.api.runtime.process.WorkItem
- org.kie.api.runtime.process.WorkItemHandler
- org.kie.api.runtime.process.WorkItemManager

## Enum Class Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    - org.kie.api.runtime.process.ProcessWorkItemHandlerException.HandlingStrategy