GatewayReferences map[parentKey][]*parentInfo

	// key: referenced resources(e.g. secrets), value: gateway-api resources(e.g. gateways)
	resourceReferences map[model.ConfigKey][]model.ConfigKey
}

// parentInfo holds info about a "parent" - something that can be referenced as a ParentRef in the API.
// Today, this is just Gateway and Mesh.
type parentInfo struct {