retrofittedByFirewallManager

Indicates whether this web ACL was created by a customer account and then retrofitted by Firewall Manager. If true, then the web ACL is currently being managed by a Firewall Manager WAF policy, and only Firewall Manager can manage any Firewall Manager rule groups in the web ACL. See also the properties ManagedByFirewallManager, PreProcessFirewallManagerRuleGroups, and PostProcessFirewallManagerRuleGroups.