async fn get_firewall_rule_group_policy(
        &self,
        input: GetFirewallRuleGroupPolicyRequest,
    ) -> Result<GetFirewallRuleGroupPolicyResponse, RusotoError<GetFirewallRuleGroupPolicyError>>
    {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "Route53Resolver.GetFirewallRuleGroupPolicy");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, GetFirewallRuleGroupPolicyError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response)
            .deserialize::<GetFirewallRuleGroupPolicyResponse, _>()
    }
<p>Returns the AWS Identity and Access Management (AWS IAM) policy for sharing the specified rule group. You can use the policy to share the rule group using AWS Resource Access Manager (AWS RAM). </p>
rusoto/services/route53resolver/src/generated.rs