UsesMappedConfiguration (Tapestry API - 5.7.0)

```
@Target(TYPE)
@Retention(CLASS)
@Documented
@UseWith(SERVICE)
public @interface UsesMappedConfiguration
```
A documentation-only interface placed on service interfaces for services which have a mapped configuration, to identify the type of key (often, a String), and type of contribution. Remember that when the key type is String, the map will be case-insensitive.

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  Class value
  The type of object which may be contributed into the service's configuration.
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  Class key
  The type of key used to identify contribution values.

- Element Detail
  - value
```
Class value
```
    The type of object which may be contributed into the service's configuration.
- - key
```
Class key
```
    The type of key used to identify contribution values.
    
    Default:
    
    java.lang.String.class