AmericanExpress (Apache BVal :: Extras 3.0.1 API)

```
@Documented
@Luhn
@Pattern(regexp="^(3[47]\\d{13})$")
@Constraint(validatedBy={})
@Target({METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER})
@Retention(RUNTIME)
public @interface AmericanExpress
```
-- TODO - This class is NOT part of the bean_validation spec and might disappear as soon as a final version of the specification contains a similar functionality. --
Description: annotation to validate a java.io.File is a directory

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  Class<?>[] groups
  
  String message
  
  Class<? extends jakarta.validation.Payload>[] payload

- Element Detail
  - groups
```
Class<?>[] groups
```
    Default:
    
    {}
- - message
```
String message
```
    Default:
    
    "{org.apache.bval.extras.constraints.creditcard.AmericanExpress.message}"
- - payload
```
Class<? extends jakarta.validation.Payload>[] payload
```
    Default:
    
    {}