toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (blockId != null) 'blockId': blockId!,
if (listBlock != null) 'listBlock': listBlock!,
if (pageSpan != null) 'pageSpan': pageSpan!,
if (tableBlock != null) 'tableBlock': tableBlock!,
if (textBlock != null) 'textBlock': textBlock!,
};