}
func NewDefaultJWTClaimMapper(provider TokenKeyProvider, cfg *config.Authorization, logger log.Logger) ClaimMapper {
default_jwt_claim_mapper.go
claimName := cfg.PermissionsClaimName
if claimName == "" {
claimName = defaultPermissionsClaimName
}
var permissionsRegex *regexp.Regexp
var namespaceIndex, roleIndex int
if cfg.PermissionsRegex != "" {
r, err := regexp.Compile(cfg.PermissionsRegex)
if err == nil {