A wrapper to future-proof ReplicaAccountInfo handling.
If there were a change to the structure of ReplicaAccountInfo,
there would be new enum entry for the newer version, forcing
plugin implementations to handle the change.
A wrapper to future-proof ReplicaTransactionInfo handling.
If there were a change to the structure of ReplicaTransactionInfo,
there would be new enum entry for the newer version, forcing
plugin implementations to handle the change.
Defines an AccountsDb plugin, to stream data from the runtime.
AccountsDb plugins must describe desired behavior for load and unload,
as well as how they will handle streamed data.