code: public void setCrawlerNameList(java.util.Collection<String> crawlerNameList) {
          if (crawlerNameList == null) {
              this.crawlerNameList = null;
              return;
          }
  
          this.crawlerNameList = new java.util.ArrayList<String>(crawlerNameList);
      }
docs: <p>
  A list of the names of crawlers about which to retrieve metrics.
  </p>
  
  @param crawlerNameList
  A list of the names of crawlers about which to retrieve metrics.