// This avoids unnecessary queryPath calls
                        log.trace("Share root existence verified through tree connection");
                    } else {
                        // Use more efficient query for file existence
                        // Prefer SMB2 CreateRequest with minimal access rights over query path
                        if (th.isSMB2()) {
                            try {

    }

    /**
     * List the contents of this SMB resource as an array of
     * <code>SmbFile</code> objects. This method is much more efficient than
     * the regular <code>list</code> method when querying attributes of each
     * file in the result set.
     * <p>
     * The list of <code>SmbFile</code>s returned by this method will be;
     *

    checkNotNull(map);
    try {
      return map.remove(key);
    } catch (ClassCastException | NullPointerException e) {
      return null;
    }
  }

  /** An admittedly inefficient implementation of {@link Map#containsKey}. */
  static boolean containsKeyImpl(Map<?, ?> map, @Nullable Object key) {
    return Iterators.contains(keyIterator(map.entrySet().iterator()), key);
  }

    checkNotNull(map);
    try {
      return map.remove(key);
    } catch (ClassCastException | NullPointerException e) {
      return null;
    }
  }

  /** An admittedly inefficient implementation of {@link Map#containsKey}. */
  static boolean containsKeyImpl(Map<?, ?> map, @Nullable Object key) {
    return Iterators.contains(keyIterator(map.entrySet().iterator()), key);
  }