toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (author != null) 'author': author!,
if (description != null) 'description': description!,
if (externalSignedUri != null) 'externalSignedUri': externalSignedUri!,
if (rootDirectory != null) 'rootDirectory': rootDirectory!,
if (userStorageUri != null) 'userStorageUri': userStorageUri!,
};