wro4j-core/src/main/java/ro/isdc/wro/config/Context.java
public static <T> Callable<T> decorate(final Callable<T> callable) {
    return new ContextPropagatingCallable<T>(callable);
  }
public static <T> Callable<T> decorate(final Callable<T> callable) {
    return new ContextPropagatingCallable<T>(callable);
  }
Decorates a callable with {@link ContextPropagatingCallable} making it possible to access the {@link Context} from
within the decorated callable.

@param callable
the {@link Callable} to decorate.
@return the decorated callable.