Defines the input for a single account to be fetched and deserialized
as part of a mixed-account batch fetch.
The deserialize callback must return an Account (i.e. an object
augmented with publicKey and header), matching the shape produced by
the kinobi-generated deserializeX helpers.
Defines the input for a single account to be fetched and deserialized as part of a mixed-account batch fetch.
The
deserializecallback must return an Account (i.e. an object augmented withpublicKeyandheader), matching the shape produced by the kinobi-generateddeserializeXhelpers.