presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/thrift/ThriftMetastoreConfig.java/ThriftMetastoreConfig/setBackoffScaleFactor
class ThriftMetastoreConfig:    @Config("hive.metastore.thrift.client.backoff-scale-factor")
    @ConfigDescription("Scale factor for metastore request retry delay")
    public ThriftMetastoreConfig setBackoffScaleFactor(double backoffScaleFactor)
    {
        this.backoffScaleFactor = backoffScaleFactor;
        return this;
    }