Imports of package intern

PathSynopsis
internal/godebugPackage godebug makes the settings in the $GODEBUG environment variable available to other packages.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
unsafePackage unsafe contains operations that step around the type safety of Go programs.