Imports of package idgenerator

PathSynopsis
github.com/openzipkin/zipkin-go/modelPackage model contains the Zipkin V2 model which is used by the Zipkin Go tracer implementation.
math/randPackage rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.