Module Firebase::Database

Import path

import javascript

database	Gets a reference to a Firebase database object, such as `firebase.database()`.
query	Gets a node that refers to a `Query` or `Reference` object.
ref	Gets a node that refers to a `Reference` object, such as `firebase.database().ref()`.
transactionCallback	Gets a node that is passed as the callback to a `Reference.transaction` call.

A call of form query.on(...) or query.once(...).