docs: public Set<S> getMatchedDeclarationBinder() {
          Set<S> bindedSet = new HashSet<S>();
          for (Map.Entry<ServiceReference<S>, BinderDescriptor> e : declarationBinders.entrySet()) {
              if (e.getValue().match) {
                  bindedSet.add(getDeclarationBinder(e.getKey()));
              }
          }
          return bindedSet;
      }