code: public BatchGetCrawlersRequest withCrawlerNames(String... crawlerNames) {
          if (this.crawlerNames == null) {
              setCrawlerNames(new java.util.ArrayList<String>(crawlerNames.length));
          }
          for (String ele : crawlerNames) {
              this.crawlerNames.add(ele);
          }
          return this;
      }
docs: <p>
  A list of crawler names, which may be the names returned from the <code>ListCrawlers</code> operation.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCrawlerNames(java.util.Collection)} or {@link #withCrawlerNames(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param crawlerNames
  A list of crawler names, which may be the names returned from the <code>ListCrawlers</code> operation.
  @return Returns a reference to this object so that method calls can be chained together.