pub trait MultipartUpload: Send + Sync {
    // Required methods
    fn write_chunk<'life0, 'life1, 'async_trait>(
        &'life0 mut self,
        chunk: &'life1 [u8],
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;
    fn finish<'async_trait>(
        self: Box<Self>,
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
       where Self: 'async_trait;
}Expand description
Handle returned by ArtifactSink::open_multipart.