jaxrs/src/main/java/org/jboss/as/jaxrs/deployment/JaxrsMethodParameterProcessor.java
private DefaultValue lookupDefaultValueAnn(Annotation[] annotationArr) {
        for (Annotation ann :  annotationArr) {

            if (ann instanceof DefaultValue) {
                return (DefaultValue)ann;
            }
        }
        return null;
    }
private DefaultValue lookupDefaultValueAnn(Annotation[] annotationArr) {
        for (Annotation ann :  annotationArr) {

            if (ann instanceof DefaultValue) {
                return (DefaultValue)ann;
            }
        }
        return null;
    }
Extract a DefaultValue annotation from the list of parameter annotations
@param annotationArr
@return