toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (apiKey != null) 'apiKey': apiKey!,
if (appId != null) 'appId': appId!,
if (authDomain != null) 'authDomain': authDomain!,
if (databaseURL != null) 'databaseURL': databaseURL!,
if (locationId != null) 'locationId': locationId!,
if (measurementId != null) 'measurementId': measurementId!,
if (messagingSenderId != null) 'messagingSenderId': messagingSenderId!,
if (projectId != null) 'projectId': projectId!,
if (storageBucket != null) 'storageBucket': storageBucket!,
};