question: return eperson for log into context . concode_field_sep Map<String,EPerson> persons concode_elem_sep Logger log concode_elem_sep String TOKEN_HEADER concode_elem_sep Map<String,String> tokens concode_field_sep boolean logout concode_elem_sep String generateToken concode_elem_sep String login
target: EPerson function ( String arg0 ) { return persons . get ( arg0 ) ; }