ProcessesGroup (Annot8 Core 0.2.0 API)

```
@Documented
@Retention(RUNTIME)
@Target(TYPE)
@Repeatable(ProcessesGroups.class)
public @interface ProcessesGroup
```
Denotes the groups types which are processed by the component.
To simply use value and required are synonymous and either can be used. If both are used they are merged into a combined list.
Optional types are not needed in order for the component to generate output, but they may enhance the processing.

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  String value
  Group types processed
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  boolean optional
  Is the group required for the component to function?

- Element Detail
  - value
```
String value
```
    Group types processed
    
    Returns:
    
    group types
- - optional
```
boolean optional
```
    Is the group required for the component to function?
    
    Returns:
    
    true if optional, default is false
    
    Default:
    
    false