code: protected void aliveToSubHealth(ProviderInfo providerInfo, ClientTransport transport) {
          providerLock.lock();
          try {
              if (aliveConnections.remove(providerInfo) != null) {
                  subHealthConnections.put(providerInfo, transport);
              }
          } finally {
              providerLock.unlock();
          }
      }
docs: 从存活丢到亚健康列表
  
  @param providerInfo Provider
  @param transport    连接