question: a clusteruser which is the accumulo `` root '' user concode_field_sep int NUM_USERS concode_elem_sep String ORG_NAME concode_elem_sep String hostname concode_elem_sep ClusterUser accumuloAdmin concode_elem_sep MiniKdc kdc concode_elem_sep boolean started concode_elem_sep Logger log concode_elem_sep List<ClusterUser> clientPrincipals concode_elem_sep ClusterUser accumuloServerUser concode_elem_sep long MAX_TICKET_LIFETIME_MILLIS concode_elem_sep File keytabDir concode_elem_sep String ORG_DOMAIN concode_field_sep ClusterUser getClientPrincipal concode_elem_sep String getOrgName concode_elem_sep File computeKeytabDir concode_elem_sep void stop concode_elem_sep File getKeytabDir concode_elem_sep String qualifyUser concode_elem_sep File computeKdcDir concode_elem_sep void start concode_elem_sep void createPrincipal concode_elem_sep String getOrgDomain concode_elem_sep ClusterUser getAccumuloServerUser
target: ClusterUser function ( ) { checkArgument ( started , "srini_string" ) ; return accumuloAdmin ; }