toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (columnProperties != null) 'columnProperties': columnProperties!,
if (name != null) 'name': name!,
if (range != null) 'range': range!,
if (rowsProperties != null) 'rowsProperties': rowsProperties!,
if (tableId != null) 'tableId': tableId!,
};