toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (P_since != null) '_since': P_since!,
if (P_type != null) '_type': P_type!,
if (bigqueryDestination != null)
'bigqueryDestination': bigqueryDestination!,
if (gcsDestination != null) 'gcsDestination': gcsDestination!,
};