GroupBuilderFactory (Annot8 Implementation Support 0.5.0 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface GroupBuilderFactory
```
Factory to createContent an group builder.
Typically used in a GroupStore.getBuilder().

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Group.Builder`	`create(Item item, GroupStore groupStore)`	Create a new builder for the provided item.

- Method Detail
  - create
```
Group.Builder create(Item item,
                     GroupStore groupStore)
```
    Create a new builder for the provided item.
    
    Parameters:
    
    item - the item owning this content
    
    groupStore - the group store
    
    Returns:
    
    non-null