A handler which sets the response content type automatically according to the best `Accept` header match.

The header is set only if:

- no object is stored in the routing context under the name [ResponseContentTypeHandler](../handler/ResponseContentTypeHandler.type.html)
- a match is found
- the header is not present already
- content length header is absent or set to something different than zero

- `Anything`
  - `Object`
    - `Basic` ...and other supertypes
      - `ResponseContentTypeHandler`

- `ResponseContentTypeHandler`
  - `Basic`
    - `Identifiable`
    - `Object`
      - `Anything`

no subtypes hierarchy

Initializer
`ResponseContentTypeHandler(ResponseContentTypeHandler unknown)`

Inherited Attributes
Attributes inherited from: `Object` `hash`, `string`

Methods
`handle` | `shared default void handle(RoutingContext arg0)`

Inherited Methods
Methods inherited from: `Object` `equals`