@SuppressWarnings("unused")
    public void setReflectionBuilder(ReflectionBuilder builder) {
        this.builder = builder;
    }
Sets the ReflectionBuilder that will be used to create the SecurityManager based on the contents of
the Ini configuration.

@param builder The ReflectionBuilder used to parse the Ini configuration.
@since 1.4
core/src/main/java/org/apache/shiro/ini/IniSecurityManagerFactory.java