code: public java.util.List<String> getFolderList() {
          if (folderList == null) {
              folderList = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return folderList;
      }
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>
  
  @return 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.