code: public RefreshCacheRequest withFolderList(String... folderList) {
          if (this.folderList == null) {
              setFolderList(new com.amazonaws.internal.SdkInternalList<String>(folderList.length));
          }
          for (String ele : folderList) {
              this.folderList.add(ele);
          }
          return this;
      }
docs: <p>
  A comma-separated list of the paths of folders to refresh in the cache. The default is [<code>"/"</code>]. The
  default refreshes objects and folders at the root of the Amazon S3 bucket. If <code>Recursive</code> is set to
  "true", the entire S3 bucket that the file share has access to is refreshed.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setFolderList(java.util.Collection)} or {@link #withFolderList(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param folderList
  A comma-separated list of the paths of folders to refresh in the cache. The default is [<code>"/"</code>].
  The default refreshes objects and folders at the root of the Amazon S3 bucket. If <code>Recursive</code>
  is set to "true", the entire S3 bucket that the file share has access to is refreshed.
  @return Returns a reference to this object so that method calls can be chained together.