presto-hive/src/main/java/io/prestosql/plugin/hive/authentication/HdfsKerberosConfig.java/HdfsKerberosConfig/setHdfsPrestoKeytab
class HdfsKerberosConfig:    @Config("hive.hdfs.presto.keytab")
    @ConfigDescription("Presto keytab used to access HDFS")
    public HdfsKerberosConfig setHdfsPrestoKeytab(String hdfsPrestoKeytab)
    {
        this.hdfsPrestoKeytab = hdfsPrestoKeytab;
        return this;
    }