TimeUnit function ( ) { return unit ; }
get the time unit . concode_field_sep long duration concode_elem_sep TimeUnit unit concode_elem_sep long serialVersionUID concode_elem_sep TimeSpec DEFAULT_KEEPALIVE concode_field_sep long getDuration concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep long elementHash