Package config , actually copied from github.com/elastic/beats.

multierror is a simple Go package for combining multiple errors together.

Package glob provides a trie(also known as prefix-tree) that supports wildcard *.

Package lumberjack provides a rolling logger.

Package grpcpool provides a pool of grpc clients https://github.com/processout/grpc-go-pool/blob/master/LICENSE.

Package trie implements several types of performant Tries (e.g.

https://ericchiang.github.io/post/go-tls/.