toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (detectedBreak != null) 'detectedBreak': detectedBreak!,
if (detectedLanguages != null) 'detectedLanguages': detectedLanguages!,
if (layout != null) 'layout': layout!,
if (provenance != null) 'provenance': provenance!,
};