const (
	ErrCodeKeyNotFound int = iota + 1
	ErrCodeKeyExists
	ErrCodeResourceVersionConflicts
	ErrCodeInvalidObj
	ErrCodeUnreachable
	ErrCodeTimeout
)

var errCodeToMessage = map[int]string{
	ErrCodeKeyNotFound:              "key not found",
	ErrCodeKeyExists:                "key exists",
	ErrCodeResourceVersionConflicts: "resource version conflicts",