$value = marshal.param(bim,"value");
if(printMethod.startsWith("javax.xml.bind.DatatypeConverter.")) {
// UGLY: if this conversion is the system-driven conversion,
// check for null
marshal.body()._if($value.eq(JExpr._null()))._then()._return(JExpr._null());
}
int idx = printMethod.lastIndexOf('.');
if(idx<0) {
// printMethod specifies a method in the target type