mostSpecificWildcardVsIndex map[host.Name]types.NamespacedName
}

const defaultSidecar = "default-sidecar"

// DefaultSidecarScopeForGateway builds a SidecarScope contains services and destinationRules for a given gateway/waypoint.
func DefaultSidecarScopeForGateway(ps *PushContext, configNamespace string) *SidecarScope {
	services := ps.servicesExportedToNamespace(configNamespace)
	out := &SidecarScope{

	defaultSidecarsByNamespace map[string]*SidecarScope
	// sidecarsForGatewayByNamespace contains the default sidecar for gateways and waypoints,
	// These are *always* computed from DefaultSidecarScopeForGateway.
	// These are lazy-loaded. Access protected by derivedSidecarMutex.
	sidecarsForGatewayByNamespace map[string]*SidecarScope

	// mutex to protect derived sidecars i.e. not specified by user.