Available on crate features blocking-client or async-client only.
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Enums

Defines what to do next after certain Delegate operations.

Traits

Delegateblocking-client
The protocol delegate is the bare minimal interface needed to fully control the fetch operation.
The non-IO protocol delegate is the bare minimal interface needed to fully control the fetch operation, sparing the IO parts. Async implementations must treat it as blocking and unblock it by evaluating it elsewhere.