toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (maxOccurs != null) 'maxOccurs': maxOccurs!,
if (minOccurs != null) 'minOccurs': minOccurs!,
if (name != null) 'name': name!,
if (table != null) 'table': table!,
if (type != null) 'type': type!,
};