Imports of package promlog

PathSynopsis
github.com/go-kit/logPackage log provides a structured logger.
github.com/go-kit/log/levelPackage level implements leveled logging on top of Go kit's log package.
github.com/pkg/errorsPackage errors provides simple error handling primitives.
osPackage os provides a platform-independent interface to operating system functionality.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.