One independently readable/writable part of a multipart transfer, carrying
a homogeneous stream of a single declared PayloadKind. Parts may be
processed concurrently (e.g. Promise.all over N parts); the provider
assembles/commits them once all parts finish.
One independently readable/writable part of a multipart transfer, carrying a homogeneous stream of a single declared PayloadKind. Parts may be processed concurrently (e.g.
Promise.allover N parts); the provider assembles/commits them once all parts finish.