Parameter (exedio persistence)

@Target(PARAMETER)
@Retention(RUNTIME)
public @interface Parameter

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  String[] doc
  
  Class<? extends NullabilityGetter<?>> nullability
  
  String value

- Element Detail
  - value
```
String value
```
    Default:
    
    ""
- - doc
```
String[] doc
```
    Default:
    
    {}
- - nullability
```
Class<? extends NullabilityGetter<?>> nullability
```
    Default:
    
    com.exedio.cope.instrument.NullabilityGetterDefault.class