}
			}
		}
	}

	return filterChains
}

// builtAutoPassthroughFilterChains builds a set of filter chains for auto_passthrough gateway servers.
// These servers allow connecting to any SNI-DNAT upstream cluster that matches the server's hostname.
// To handle this, we generate a filter chain per upstream cluster
func builtAutoPassthroughFilterChains(push *model.PushContext, proxy *model.Proxy, hosts []string) []*filterChainOpts {