toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (blobGeneration != null) 'blobGeneration': blobGeneration!,
if (blobId != null) 'blobId': blobId!,
if (downloadReadHandle != null)
'downloadReadHandle': downloadReadHandle!,
if (readToken != null) 'readToken': readToken!,
if (uploadMetadataContainer != null)
'uploadMetadataContainer': uploadMetadataContainer!,
};