presto-hive/src/main/java/io/prestosql/plugin/hive/authentication/HiveAuthenticationConfig.java/HiveAuthenticationConfig/setHdfsImpersonationEnabled
class HiveAuthenticationConfig:    @Config("hive.hdfs.impersonation.enabled")
    @ConfigDescription("Should Presto user be impersonated when communicating with HDFS")
    public HiveAuthenticationConfig setHdfsImpersonationEnabled(boolean hdfsImpersonationEnabled)
    {
        this.hdfsImpersonationEnabled = hdfsImpersonationEnabled;
        return this;
    }