pub trait AsyncTask<Item, Context, Client, TaskResult, TaskError>:
    Send
    + Sync
    + 'staticwhere
    Item: Send + 'static,
    Context: Send + Sync + 'static,
    Client: Send + Sync + 'static,
    TaskResult: Send + 'static,
    TaskError: Debug + Send + 'static,{
    type ItemId: Send + Debug + Clone;
    // Required method
    fn process<'life0, 'life1, 'async_trait>(
        &'life0 self,
        worker_id: usize,
        client: &'life1 Client,
        item: Item,
    ) -> Pin<Box<dyn Future<Output = Result<(Self::ItemId, TaskResult), (TaskError, Item)>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;
}