gcloud beta network-security gateway-security-policies rules

INFORMATION
gcloud beta network-security gateway-security-policies rules is not available in universe domain universe.
NAME
gcloud beta network-security gateway-security-policies rules - manage Network Security Gateway Security Policy Rules
SYNOPSIS
gcloud beta network-security gateway-security-policies rules COMMAND [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(BETA) Manage Network Security Gateway Security Policy Rules.
GCLOUD WIDE FLAGS
These flags are available to all commands: --help.

Run $ gcloud help for details.

COMMANDS
COMMAND is one of the following:
delete
(BETA) Delete Gateway Security Policy Rule.
export
(BETA) Export Gateway Security Policy Rule.
import
(BETA) Import Gateway Security Policy Rule.
list
(BETA) List Gateway Security Policy Rules.
NOTES
This command is currently in beta and might change without notice. These variants are also available: 
gcloud network-security gateway-security-policies rules
 
gcloud alpha network-security gateway-security-policies rules