toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (existingSchema != null) 'existingSchema': existingSchema!,
if (newSchema != null) 'newSchema': newSchema!,
if (sampledDataLocations != null)
'sampledDataLocations': sampledDataLocations!,
if (schemaChange != null) 'schemaChange': schemaChange!,
if (table != null) 'table': table!,
};