module.exports = {
    data: [],
    filter: {},
    order: {},

    insert: () => {
        return new Promise(accept => {
            accept();
        });
    },
    remove: () => {
        return new Promise(accept => {
            accept();
        });
    },
    save: () => {
        return new Promise(accept => {
            accept();
        });
    },
    refresh: () => {},
    addFilter: () => {},
    applyFilter: () => {}
};