return result, nil
}

// newMultipartUpload - wrapper for initializing a new multipart
// request; returns a unique upload id.
//
// Internally this function creates 'uploads.json' associated for the
// incoming object at
// '.minio.sys/multipart/bucket/object/uploads.json' on all the
// disks. `uploads.json` carries metadata regarding on-going multipart
// operation(s) on the object.

				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}
		}
		// Set this for multipart only operations, we need to differentiate during
		// decryption if the file was actually multipart or not.
		encMetadata[ReservedMetadataPrefix+"Encrypted-Multipart"] = ""
	}

	// Extract metadata that needs to be saved.
	metadata, err := extractMetadataFromReq(ctx, r)
	if err != nil {

	TransitionObject(ctx context.Context, bucket, object string, opts ObjectOptions) error
	RestoreTransitionedObject(ctx context.Context, bucket, object string, opts ObjectOptions) error

	// Multipart operations.
	ListMultipartUploads(ctx context.Context, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error)

    * Up to now the application would run, and raise an exception only when receiving a request with form data, the new behavior, raising early, will prevent from deploying applications with broken dependencies.
    * It also detects if the correct package `python-multipart` is installed instead of the incorrect `multipart` (both importable as `multipart`).

			if srcChecksumDecrypted != nil {
				dstOpts.WantChecksum = hash.ChecksumFromBytes(srcChecksumDecrypted)

				// When an object is being copied from a source that is multipart, the destination will
				// no longer be multipart, and thus the checksum becomes full-object instead. Since
				// the CopyObject API does not require that the caller send us this final checksum, we need

		storageLogIf(ctx, fmt.Errorf("Unable to update transition restore metadata for %s/%s(%s): %s", bucket, object, oi.VersionID, err))
		return err
	}
	return nil
}

// restoreTransitionedObject for multipart object chunks the file stream from remote tier into the same number of parts
// as in the xl.meta for this version and rehydrates the part.n into the fi.DataDir for this version as in the xl.meta