private <T> T findRequired(Class<T> type) {
        return find(type, true);
    }
Create a new {@link InjectorBuilder} using the default implementation but
with a specific {@code ClassLoader}.

@param classLoader the class loader to use
@return the injector builder
common-parent/injector/src/main/java/com/speedment/common/injector/internal/InjectorImpl.java