EnableEnvoyFilterMetrics = env.Register("PILOT_ENVOY_FILTER_STATS", false,
		"If true, Pilot will collect metrics for envoy filter operations.").Get()

	EnableRouteCollapse = env.Register("PILOT_ENABLE_ROUTE_COLLAPSE_OPTIMIZATION", true,
		"If true, Pilot will merge virtual hosts with the same routes into a single virtual host, as an optimization.").Get()

	MulticlusterHeadlessEnabled = env.Register("ENABLE_MULTICLUSTER_HEADLESS", true,