public Collection<Section> getSections() {
        return Collections.unmodifiableCollection(sections.values());
    }
Returns the sections managed by this {@code Ini} instance or an empty collection if there are
no sections.

@return the sections managed by this {@code Ini} instance or an empty collection if there are
no sections.
config/core/src/main/java/org/apache/shiro/config/Ini.java