duplicatehostpager.clear();
        assertEquals(0, duplicatehostpager.getAllRecordCount());
        assertEquals(0, duplicatehostpager.getAllPageCount());
        assertEquals(false, duplicatehostpager.isExistPrePage());
        assertEquals(false, duplicatehostpager.isExistNextPage());
        assertEquals(25, duplicatehostpager.getPageSize());
        assertEquals(1, duplicatehostpager.getCurrentPageNumber());

  }

  @Override
  public boolean containsKey(Object key) {
    try {
      return delegate.containsKey(checkValid(key));
    } catch (NullPointerException | ClassCastException e) {
      return false;
    }
  }

  @Override
  public boolean containsValue(Object value) {
    return delegate.containsValue(value);
  }

  @Override
  public NavigableSet<K> descendingKeySet() {

    }

    protected void registerSpecifiedProperty(String propertyName) { // basically called by modified property registration
        if (__specifiedProperties != null) { // normally false, true if e.g. setting after selected
            __specifiedProperties.addPropertyName(propertyName);
        }
    }

    // ===================================================================================

    }

    protected void registerSpecifiedProperty(String propertyName) { // basically called by modified property registration
        if (__specifiedProperties != null) { // normally false, true if e.g. setting after selected
            __specifiedProperties.addPropertyName(propertyName);
        }
    }

    // ===================================================================================

      if (o instanceof FunctionForMapNoDefault) {
        FunctionForMapNoDefault<?, ?> that = (FunctionForMapNoDefault<?, ?>) o;
        return map.equals(that.map);
      }
      return false;
    }

    @Override
    public int hashCode() {
      return map.hashCode();
    }

    @Override
    public String toString() {
      return "Functions.forMap(" + map + ")";
    }

        return Stream.of(Arguments.of(0, true), Arguments.of(0xFFFF, true), Arguments.of(0x8000, true), Arguments.of(0, false),
                Arguments.of(0xFFFFFFFF, false), Arguments.of(0x80000000, false), Arguments.of(Integer.MAX_VALUE, false),
                Arguments.of(Integer.MIN_VALUE, false));
    }

    // Concrete implementation for testing abstract class

        int exitCode = new MavenUpCling().run(args, null, null, null, false);
        System.exit(exitCode);
    }

    /**
     * ClassWorld Launcher "enhanced" entry point: returning exitCode and accepts Class World.
     */
    public static int main(String[] args, ClassWorld world) throws IOException {
        return new MavenUpCling(world).run(args, null, null, null, false);
    }

    /**

    NodeStatusRequest(final Configuration cfg, final Name name) {
        super(cfg);
        this.questionName = name;
        this.questionType = NBSTAT;
        this.isRecurDesired = false;
        this.isBroadcast = false;
    }

    @Override
    int writeBodyWireFormat(final byte[] dst, final int dstIndex) {
        final int tmp = this.questionName.hexCode;

                            log.error("Tree disconnect failed", se);
                        }
                    }
                }
                this.inDfs = false;
                this.inDomainDfs = false;
                this.connectionState.set(0);
                transport.notifyAll();
            }
        }
        return wasInUse;
    }

    /**
     *
     */

	if h, ok := sys.hc[ep.Host]; ok {
		return !h.Online
	}
	go sys.initHC(ep)
	return false
}

// markOffline sets endpoint to offline if network i/o timeout seen.
func (sys *BucketTargetSys) markOffline(ep *url.URL) {
	sys.hMutex.Lock()
	defer sys.hMutex.Unlock()
	if h, ok := sys.hc[ep.Host]; ok {
		h.Online = false
		sys.hc[ep.Host] = h
	}
}

func (sys *BucketTargetSys) initHC(ep *url.URL) {