ResourceType does not work

import org.kie.internal.utils.KieHelper;
// code placeholder
public static final ResourceType LOCAL_DRL = ResourceType.addResourceTypeToRegistry("DRL",
 "Drools Rule Language",
 "src/main/resources/com/jiang",
 "drl");


public KieSession loadForRule2(String drlStr) {
 KieHelper helper = new KieHelper();
 helper.addContent(drlStr, LOCAL_DRL);
 return helper.build().newKieSession();
}

// code placeholder
private String generateResourceName(ResourceType type) {
    return "src/main/resources/file" + counter++ + "." + type.getDefaultExtension();
}

// code placeholder
private String generateResourceName(ResourceType type) {
    return type.getDefaultPath() + counter++ + "." + type.getDefaultExtension();
}

// code placeholder
helper.addContent(drlStr, "/com/jiang/ww.drl");