#define str(s) #s

// Boilderplate code to register the extension implementation.
static RegisterContextFactory register_HeaderInjector(CONTEXT_FACTORY(HeaderInjectorContext),
                                               ROOT_FACTORY(HeaderInjectorRootContext));

bool HeaderInjectorRootContext::onConfigure(size_t) { return true; }

FilterHeadersStatus HeaderInjectorContext::onRequestHeaders(uint32_t, bool) {