headerAction property
Specifies changes to request and response headers that need to take effect for the selected backendService.
headerAction specified here take effect before headerAction in the enclosing HttpRouteRule, PathMatcher and UrlMap. headerAction is not supported for load balancers that have their loadBalancingScheme set to EXTERNAL. Not supported when the URL map is bound to a target gRPC proxy that has validateForProxyless field set to true.
Implementation
HttpHeaderAction? headerAction;