code: func IsSiblingCommandExists(cmd *cobra.Command, targetCmdName string) bool {
  	for _, c := range cmd.Parent().Commands() {
  		if c.Name() == targetCmdName {
  			return true
  		}
  	}
  
  	return false
  }
docs: // IsSiblingCommandExists receives a pointer to a cobra command and a target string.
  // Returns true if the target string is found in the list of sibling commands.