pub async fn add<'a, Types, MaybeOwned>(
ipfs: MaybeOwned,
total_size: Option<usize>,
stream: BoxStream<'a, Vec<u8>>,
opt: Option<AddOption>
) -> Result<BoxStream<'a, UnixfsStatus>>where
Types: IpfsTypes,
MaybeOwned: Borrow<Ipfs<Types>> + Send + 'a,