private static String mergeTypeNames(Class<?>[] type) {
        String[] typeNames = new String[type.length];
        for (int i = 0; i < type.length; i++) {
            Class<?> t = type[i];
            typeNames[i] = t.getName();
        }
        return StringUtils.join(typeNames, ",");
    }
Mapping options applied on Field level.
core/src/main/java/com/github/dozermapper/core/loader/api/FieldsMappingOptions.java