Imports
- github.com/AthenZ/athenz/libs/go/zmssvctoken
- github.com/AthenZ/athenz/libs/go/ztsroletoken
- github.com/apache/pulsar-client-go/oauth2
- github.com/apache/pulsar-client-go/oauth2/cache
- github.com/apache/pulsar-client-go/oauth2/clock
- github.com/apache/pulsar-client-go/oauth2/store
- github.com/pkg/errors
- golang.org/x/oauth2