masonry/src/config.js

!(function () {
    BI.config("dec.provider.layout", function (provider) {
        provider.inject({
            layoutConfig: {
                center: {
                    left: {
                        width: 550,
                        maxSize: 800
                    }
                }
            }
        });
    });

    BI.config("dec.frame.classic.aside.entry_tree", function (options) {
        options.type = "dec.masonry";
        return options;
    });
}());