code: @Override
      public <T> ObjectStore add(Class<T> type, T instance) {
          Validate.notNull(type, "Type must be specified");
          Validate.notNull(instance, "Instance must be specified");
  
          store.put(type, instance);
          return this;
      }
docs: /* (non-Javadoc)
  @see org.jboss.arquillian.core.impl.ObjectStore#add(java.lang.Class, T)