Product Packages and Libraries
The Advanced Tools Module includes three packages:
*Streams package
*Serialization package
*Types package
Table 1 summarizes the packages and their libraries.
Table 1 – The Advanced Tools Module packages and libraries  
Package
Purpose
Library
Streams
Uses concrete stream classes and a modular framework to allow complex chains of streaming elements.
stream
Serialization
Enables you to add polymorphic persistence to your applications without changing your classes.
serial
Types
The Types package includes just one class, RWSymbol. This class encapsulates a string name in a reference-counted handle-body pattern.
types