String function ( ) { return null ; }
get additional file attributes to be added to file descriptor . by default there are no extra attributes , but subclasses can override this method and specify it . concode_field_sep Path targetPath concode_elem_sep int accessMode concode_field_sep String getDescriptor concode_elem_sep Path getTargetPath concode_elem_sep void install concode_elem_sep int getAccessMode concode_elem_sep int hashCode concode_elem_sep void installContents concode_elem_sep boolean equals