@property
@pulumi.getter(name='headerAction')
def header_action(self) -> Optional[pulumi.Input['HttpHeaderActionArgs']]:
    '\n        Specifies changes to request and response headers that need to take effect for the selected backend service. HeaderAction specified here are applied after the matching HttpRouteRule HeaderAction and before the HeaderAction in the 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.\n        '
    return pulumi.get(self, 'header_action')
Specifies changes to request and response headers that need to take effect for the selected backend service. HeaderAction specified here are applied after the matching HttpRouteRule HeaderAction and before the HeaderAction in the 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.
@property
@pulumi.getter(name='headerAction')
def header_action(self) -> Optional[pulumi.Input['HttpHeaderActionArgs']]:
    '\n        \n        '
    return pulumi.get(self, 'header_action')