public Set<ResolvedKerberosPrincipal> getPrincipals() {
    return principals;
  }
Gets evaluated host-to-principal set associated with given keytab.

@return a Set with principals associated with given keytab
ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/stageutils/ResolvedKerberosKeytab.java