toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (currentDocument != null) 'currentDocument': currentDocument!,
if (delete != null) 'delete': delete!,
if (transform != null) 'transform': transform!,
if (update != null) 'update': update!,
if (updateMask != null) 'updateMask': updateMask!,
if (updateTransforms != null) 'updateTransforms': updateTransforms!,
};