toJson method

Implementation

@override
Object toJson() => {
  if (fixedLengthChunking case final fixedLengthChunking?)
    'fixedLengthChunking': fixedLengthChunking.toJson(),
  if (chunkSize.isNotDefault) 'chunkSize': chunkSize,
  if (chunkOverlap.isNotDefault) 'chunkOverlap': chunkOverlap,
};