const admin = require('firebase-admin');
admin.initializeApp({
credential: admin.credential.applicationDefault(),
databaseURL: 'ws://abc-def.firebaseio.com/'
});
var db = admin.database();
var ref = db.ref("restricted_access/secret_document");
ref.once("value", function(snapshot) {
console.log(snapshot.val());
});
const app = admin.initializeApp({
credential: admin.credential.applicationDefault(),
});
const db1 = app.database('ws://abc-def.firebaseio.com/');
const db2 = app.database('ws://abc-def-ghi.firebaseio.com/');