errors

var (
	ErrNotFound           = stdErrors.New("not found")
	ErrUnauthorized       = stdErrors.New("unauthorized")
	ErrPermissionDenied   = stdErrors.New("permission denied")
	ErrInvalidArgument    = stdErrors.New("invalid argument")
	ErrAlreadyExists      = stdErrors.New("already exists")
	ErrServiceUnavailable = stdErrors.New("service unavailable")
	ErrInternal           = stdErrors.New("internal error")
	ErrTokenExpired       = stdErrors.New("token expired")
	ErrTokenInvalid       = stdErrors.New("token invalid")
	ErrTokenRevoked       = stdErrors.New("token revoked")
	ErrRateLimited        = stdErrors.New("rate limited")
	ErrTimeout            = stdErrors.New("timeout")
)