| Lineup | This class provides an example of a parent that uses a Map to reference child members. | 
| Path | This entity class provides an example of an ordered list of child entities ordered by a business property
 in the child entity. | 
| Position | This class is an example of an entity that will be referenced from the parent in its relationship
 through a Map which uses a value unique to that parent. | 
| Segment | This class represents an example entity that has an order in its parent's list. | 
| Ship | This class is used as a common base implementation by several implementations
 of hashCode/equals. | 
| ShipByBusinessId | This class is provides an example of an entity that implements hashCode/equals 
 using its business identity. | 
| ShipByDefault | This class is provides an example of an entity that implements hashCode/equals 
 using the default java.lang.Object implementation. | 
| ShipByPK | This class is provides an example of an entity that implements hashCode/equals 
 using its database assigned primary key. | 
| ShipBySwitch | This class is provides an example of an entity that implements hashCode/equals 
 using its database assigned primary key if it exists and defaults to the 
 java.lang.Object definition if not yet assigned. |