public void setAttribute(File file, String attribute, Object value, boolean create) {
    String view = getViewName(attribute);
    String attr = getSingleAttribute(attribute);
    setAttributeInternal(file, view, attr, value, create);
  }
Sets the value of the given attribute to the given value for the given file.
jimfs/src/main/java/com/google/common/jimfs/AttributeService.java