html (options) {
        if (!arguments.length) {
            return this._html;
        }
        if (options.all) {
            this._html.all = options.all;
        }
        if (options.some) {
            this._html.some = options.some;
        }
        return this;
    }
Gets or sets an optional object specifying HTML templates to use depending how many items are
selected. The text `%total-count` will replaced with the total number of records, and the text
`%filter-count` will be replaced with the number of selected records.
- all: HTML template to use if all items are selected
- some: HTML template to use if not all items are selected
@example
counter.html({
     some: '%filter-count out of %total-count records selected',
     all: 'All records selected. Click on charts to apply filters'
})
@param {{some:String, all: String}} [options]
@returns {{some:String, all: String}|DataCount}