mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getKey", "()L"+qualifiedInternalKeyClassName+";", null, null);
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitFieldInsn(Opcodes.GETFIELD, qualifiedInternalClassName, "key", "L"+qualifiedInternalKeyClassName+";");
mv.visitInsn(Opcodes.ARETURN);
mv.visitMaxs(1, 1);
mv.visitEnd();
mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setKey", "(L"+qualifiedInternalKeyClassName+";)V", null, null);
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitVarInsn(Opcodes.ALOAD, 1);
mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, "key", "L"+qualifiedInternalKeyClassName+";");