These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
maven-assembly-plugin-2_2-0_2_beta5:HEAD:maven-assembly-plugin-2.2-0.2.beta5.src.rpm:1276048409