code: public BatchGetCrawlersResult withCrawlersNotFound(String... crawlersNotFound) {
          if (this.crawlersNotFound == null) {
              setCrawlersNotFound(new java.util.ArrayList<String>(crawlersNotFound.length));
          }
          for (String ele : crawlersNotFound) {
              this.crawlersNotFound.add(ele);
          }
          return this;
      }
docs: <p>
  A list of names of crawlers not found.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCrawlersNotFound(java.util.Collection)} or {@link #withCrawlersNotFound(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param crawlersNotFound
  A list of names of crawlers not found.
  @return Returns a reference to this object so that method calls can be chained together.