void (JDefinedClass thisJDefinedClass, JMethod parentBuilder, JVar parentParam) { // Confirm that this class doesn't already have a builder method matching the same name as the parentBuilder if (thisJDefinedClass.getMethod(parentBuilder.name(), new JType[] {parentParam.type()}) == null) { JMethod builder = thisJDefinedClass.method(parentBuilder.mods().getValue(), thisJDefinedClass, parentBuilder.name()); builder.annotate(Override.class); JVar param = builder.param(parentParam.type(), parentParam.name()); JBlock body = builder.body(); body.invoke(JExpr._super(), parentBuilder).arg(param); body._return(JExpr._this()); } }