/// <summary>
/// Gets the collection of existing rules for a firewall.
/// </summary>
/// <param name="client">The FirewallClient to use to obtain the firewall
/// rules for.</param>
/// <param name="firewallGroupId">The ID of the firewall to obtain the rules
/// for.</param>
/// <returns>The collection of firewall rules.</returns>
public static IReadOnlyDictionary <string, FirewallRule> GetExistingRules(
this FirewallClient client, string firewallGroupId)
{
var existingRules =
client.GetFirewallRules(
firewallGroupId, "in", "v4")
.FirewallRules;
foreach (var(firewallId, firewallRule) in
client.GetFirewallRules(
firewallGroupId, "in", "v6")
.FirewallRules)
{
existingRules[firewallId] = firewallRule;
}
return(existingRules);
}
