Child changed event arguments.

ADataSnapshot instance contains data from aFirebaseDatabase location.

Instances ofDatabaseError are passed within event arguments when an operation failed.

This error is thrown when theFirebaseDatabase library is unable to operate on the input it has been given.

AFirebase reference represents a particular location in yourFirebaseDatabase and can be used for reading or writing data to thatFirebaseDatabase location.

The entry point for accessing aFirebaseDatabase.

Instances of this class encapsulate the data and priority at a location.

TheOnDisconnect class is used to manage operations that will be Run on the server when this client disconnects.

TheQuery class (and its subclass,DatabaseReference ) are used for reading data.

Contains placeholder values to use when writing data to theFirebaseDatabase.

Instances of this class represent the desired outcome of a single Run of a transaction.

Event arguments passed with theQuery.ValueChanged Event.