toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (acquiredTime != null) 'acquiredTime': acquiredTime!,
if (acquisitionType != null) 'acquisitionType': acquisitionType!,
if (copy != null) 'copy': copy!,
if (entitlementType != null) 'entitlementType': entitlementType!,
if (familySharing != null) 'familySharing': familySharing!,
if (isFamilySharedFromUser != null)
'isFamilySharedFromUser': isFamilySharedFromUser!,
if (isFamilySharedToUser != null)
'isFamilySharedToUser': isFamilySharedToUser!,
if (isFamilySharingAllowed != null)
'isFamilySharingAllowed': isFamilySharingAllowed!,
if (isFamilySharingDisabledByFop != null)
'isFamilySharingDisabledByFop': isFamilySharingDisabledByFop!,
if (isInMyBooks != null) 'isInMyBooks': isInMyBooks!,
if (isPreordered != null) 'isPreordered': isPreordered!,
if (isPurchased != null) 'isPurchased': isPurchased!,
if (isUploaded != null) 'isUploaded': isUploaded!,
if (readingPosition != null) 'readingPosition': readingPosition!,
if (rentalPeriod != null) 'rentalPeriod': rentalPeriod!,
if (rentalState != null) 'rentalState': rentalState!,
if (review != null) 'review': review!,
if (updated != null) 'updated': updated!,
if (userUploadedVolumeInfo != null)
'userUploadedVolumeInfo': userUploadedVolumeInfo!,
};