vault

type Vault interface {
	// Read returns the value stored at key. It returns [ErrNotFound] if no value
	// exists for the key.
	Read(ctx context.Context, key string) ([]byte, error)
	// Write stores value at key, overwriting any existing value.
	Write(ctx context.Context, key string, value []byte) error
	// Delete removes the value at key. It is idempotent: deleting an absent key
	// returns nil.
	Delete(ctx context.Context, key string) error
}