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node.js - running queries in firebase using async / await

Appreciating that firebase has added support for promises, is there a way to run a query like the following inside of an async function?:

const eventref = this.db.ref('cats/whiskers');
const value = await eventref.once('value')

Running the above returns a promise for value, I'm hoping to get the json blob that is stored at cats/whiskers.

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