toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (dataSourceNode != null) 'dataSourceNode': dataSourceNode!,
if (depth != null) 'depth': depth!,
if (endIndex != null) 'endIndex': endIndex!,
if (startIndex != null) 'startIndex': startIndex!,
if (word != null) 'word': word!,
};