toJson method
Implementation
core.Map<core.String, core.Object> toJson() {
final core.Map<core.String, core.Object> _json =
new core.Map<core.String, core.Object>();
if (columnType != null) {
_json["columnType"] = columnType;
}
if (dataType != null) {
_json["dataType"] = dataType;
}
if (name != null) {
_json["name"] = name;
}
return _json;
}