org.hibernate.bytecode.spi
Interfaces 
BasicProxyFactory
BytecodeProvider
ClassTransformer
EntityInstrumentationMetadata
ProxyFactoryFactory
ReflectionOptimizer
ReflectionOptimizer.AccessOptimizer
ReflectionOptimizer.InstantiationOptimizer
Classes 
AbstractClassTransformerImpl
ByteCodeHelper
InstrumentedClassLoader
Exceptions 
NotInstrumentedException