code: func (o *EndpointControllerOptions) AddFlags(fs *pflag.FlagSet) {
  	if o == nil {
  		return
  	}
  
  	fs.Int32Var(&o.ConcurrentEndpointSyncs, "concurrent-endpoint-syncs", o.ConcurrentEndpointSyncs, "The number of endpoint syncing operations that will be done concurrently. Larger number = faster endpoint updating, but more CPU (and network) load")
  }
docs: // AddFlags adds flags related to EndPointController for controller manager to the specified FlagSet.