javassist.bytecode
Interfaces 
Mnemonic
Opcode
Classes 
AccessFlag
AttributeInfo
ByteArray
Bytecode
ClassFile
ClassFileWriter
CodeAttribute
CodeIterator
ConstantAttribute
ConstPool
Descriptor
ExceptionsAttribute
ExceptionTable
FieldInfo
InnerClassesAttribute
LineNumberAttribute
MethodInfo
SourceFileAttribute
SyntheticAttribute
Exceptions 
BadBytecode
CodeAttribute.RuntimeCopyException