code: func AddGlobalFlags(fs *pflag.FlagSet) {
  	addKlogFlags(fs)
  	addCadvisorFlags(fs)
  	addCredentialProviderFlags(fs)
  	verflag.AddFlags(fs)
  	logs.AddFlags(fs)
  }
docs: // AddGlobalFlags explicitly registers flags that libraries (glog, verflag, etc.) register
  // against the global flagsets from "flag" and "github.com/spf13/pflag".
  // We do this in order to prevent unwanted flags from leaking into the Kubelet's flagset.