ReadonlybucketBucket to upload the large file to.
ReadonlycontentMIME type of the file. Use 'b2/x-auto' for automatic detection.
Optional ReadonlycustomOptional B2 upload timestamp override in milliseconds since epoch, as a decimal string.
null is accepted and ignored by B2.
Sets the file version uploadTimestamp; distinct from src_last_modified_millis metadata.
Requires B2 account enablement for Custom Upload Timestamp.
Optional ReadonlyfileOptional user-defined key-value metadata for the file.
ReadonlyfileFull path and name of the file within the bucket.
Optional ReadonlyfileOptional Object Lock retention for the file.
Optional ReadonlylegalOptional legal hold for the file.
Optional ReadonlyserverOptional server-side encryption setting.
Request parameters for the
b2_start_large_fileAPI call. Initiates a multi-part upload.