jooby-apt: compilation error while using generics on controller

[jknack]

 @GET("/some")
  public <T> List<T> doSomething() {
    return ...;
  }

Generates:

public java.util.List<T> doSomething(io.jooby.Context ctx) {
}

Compilation failure
[ERROR]../Controller_.java:[128,57] cannot find symbol
[ERROR]   symbol:   class T
[ERROR]   location: class mypackage.Controller_
[ERROR]