Method delete

core_js/utils/Multimap.js:76–83

(key)

        return values.has(value);
    }
    delete(key) {
        const values = this._map.get(key);
        if (values && this._map.delete(key)) {
            this._size -= values.size;
            return true;
        }
        return false;
    }
    deleteEntry(key, value) {
        const values = this._map.get(key);
        if (values) {