# Package org.jbpm.workflow.core.impl

- Class Summary
  Class | Description
  --- | ---
  ConnectionImpl | Default implementation of a connection.
  ConnectionRef |
  ConstraintImpl | Default implementation of a constraint.
  DroolsConsequenceAction |
  ExtendedNodeImpl |
  JavaDroolsAction |
  NodeContainerImpl |
  NodeImpl | Default implementation of a node.
  WorkflowProcessImpl | Default implementation of a RuleFlow process.