code: @Override
      public void set(T value) {
          if (scope == null) {
              throw new IllegalStateException("Value can not be set, instance has no Scope defined: " + value);
          }
          manager.bindAndFire(scope, type, value);
      }
docs: /* (non-Javadoc)
  @see org.jboss.arquillian.api.Instance#set(java.lang.Object)