code: public void setShutdown(java.util.Collection<String> shutdown) {
          if (shutdown == null) {
              this.shutdown = null;
              return;
          }
  
          this.shutdown = new com.amazonaws.internal.SdkInternalList<String>(shutdown);
      }
docs: <p>
  An array of custom recipe names to be run following a <code>shutdown</code> event.
  </p>
  
  @param shutdown
  An array of custom recipe names to be run following a <code>shutdown</code> event.