code: func (o *SAControllerOptions) AddFlags(fs *pflag.FlagSet) {
  	if o == nil {
  		return
  	}
  
  	fs.StringVar(&o.ServiceAccountKeyFile, "service-account-private-key-file", o.ServiceAccountKeyFile, "Filename containing a PEM-encoded private RSA or ECDSA key used to sign service account tokens.")
  	fs.Int32Var(&o.ConcurrentSATokenSyncs, "concurrent-serviceaccount-token-syncs", o.ConcurrentSATokenSyncs, "The number of service account token objects that are allowed to sync concurrently. Larger number = more responsive token generation, but more CPU (and network) load")
  	fs.StringVar(&o.RootCAFile, "root-ca-file", o.RootCAFile, "If set, this root certificate authority will be included in service account's token secret. This must be a valid PEM-encoded CA bundle.")
  }
docs: // AddFlags adds flags related to ServiceAccountController for controller manager to the specified FlagSet