ErrAccessDenied - access denied.

ErrAuthorizationHeader - authorization header is not provided.

ErrGenerateToken - failed to generate token.

ErrGetAccessibleRoles - failed to get accessible roles.

ErrInvalidAccessToken - invalid access token.

ErrInvalidHeaderFormat - invalid authorization header format.

ErrInvalidRefreshToken - invalid refresh token.

ErrMetadataNotProvided - metadata not provided.

ErrWrongPassword - wrong password.