open-consul/vendor/github.com/hashicorp/raft/stable.go

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package raft
// StableStore is used to provide stable storage
// of key configurations to ensure safety.
type StableStore interface {
Set(key []byte, val []byte) error
// Get returns the value for key, or an empty byte slice if key was not found.
Get(key []byte) ([]byte, error)
SetUint64(key []byte, val uint64) error
// GetUint64 returns the uint64 value for key, or 0 if key was not found.
GetUint64(key []byte) (uint64, error)
}