toJson method
Implementation
Map<String, Object?> toJson() {
final chunk = this.chunk;
final end = this.end;
final start = this.start;
return {
if (chunk != null) 'chunk': chunk.map((v) => v.toJson()).toList(),
if (end != null) 'end': end,
if (start != null) 'start': start,
};
}