errs

const (
	Other         Kind = iota // Unclassified error. This value is not printed in the error message.
	Invalid                   // Invalid operation for this type of item.
	IO                        // External I/O error such as network failure.
	Exist                     // Item already exists.
	NotExist                  // Item does not exist.
	Private                   // Information withheld.
	Internal                  // Internal error or inconsistency.
	BrokenLink                // Link target does not exist.
	Database                  // Error from database.
	Validation                // Input validation error.
	Unanticipated             // Unanticipated error.
	Unknown
	InvalidRequest // Invalid Request
	Unauthenticated
	Unauthorized
)