toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (resourceFamily != null) 'resourceFamily': resourceFamily!,
if (resourceGroup != null) 'resourceGroup': resourceGroup!,
if (serviceDisplayName != null)
'serviceDisplayName': serviceDisplayName!,
if (usageType != null) 'usageType': usageType!,
};