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