How to implement debounce in Vue2?

I have a simple input box in a Vue template and I would like to use debounce more or less like this: <input type="text" v-model="filterKey" debounce="500"> However the debounce property has been deprecated in Vue 2. The recommendation only says: "use v-on:input + 3rd party debounce function". How do you correctly implement it? I've tried to implement it using lodash, v-on:input and v-model, but I