<bpa-checkbox value="1" v-model="demoModel">Checkbox</bpa-checkbox>
<bpa-checkbox value="1" v-model="demoModel" disabled>Checkbox</bpa-checkbox>
<bpa-checkbox value="1" v-model="demoModel" name="demo">Checkbox</bpa-checkbox>
<bpa-checkbox value="2" v-model="demoModel" name="demo">Checkbox</bpa-checkbox>