This topic applies to .NET version only
.NET Enhancement functionality resides in Db4oTool project. Db4oTool is a command-line utility, which can be used to perform different bytecode instrumentation tasks. Currently, Db4oTool can be used for Native Query Optimization and Transparent Activation Instrumentation.
Db4oTool project includes a command-line utility (Db4oTool.exe) and Db4oTool.MSBuild.dll, which can be used for command-line and build-time instrumentation accordingly.
Further reading: