public static BundleInstantiationSpecification fromSearchAndDocproc(String className) {
        return fromSearchAndDocproc(new ComponentSpecification(className), null);
    }
Create spec for a component from the container-search-and-docproc bundle with the given class name as id.
container-core/src/main/java/com/yahoo/container/bundle/BundleInstantiationSpecification.java