code: @Override
      public List<String> getVirtualHosts() {
          if (null == this.vhostArray) {
              // nothing here but the api says it returns a non-null empty list
              this.vhostArray = new ArrayList<String>(0);
          }
          return this.vhostArray;
      }
docs: /*
  @see com.ibm.websphere.channelfw.CFEndPoint#getVirtualHosts()