How to use

RealmModel$ClientRemovedEvent

in

org.keycloak.models

factory.register(event -> {
  if (event instanceof ClientRemovedEvent) {
    KeycloakSession keycloakSession = ((ClientRemovedEvent) event).getKeycloakSession();
    AuthorizationProvider provider = keycloakSession.getProvider(AuthorizationProvider.class);
    StoreFactory storeFactory = provider.getStoreFactory();
    PolicyStore policyStore = storeFactory.getPolicyStore();
    ClientModel removedClient = ((ClientRemovedEvent) event).getClient();
    ResourceServerStore resourceServerStore = storeFactory.getResourceServerStore();
    ResourceServer resourceServer = resourceServerStore.findById(removedClient.getId());

private SessionAndKeyHolder getCacheKeyToInvalidate(ProviderEvent event) {
  if (event instanceof RealmModel.ClientUpdatedEvent) {
    RealmModel.ClientUpdatedEvent eventt = (RealmModel.ClientUpdatedEvent) event;
    String cacheKey = PublicKeyStorageUtils.getClientModelCacheKey(eventt.getUpdatedClient().getRealm().getId(), eventt.getUpdatedClient().getId());
    return new SessionAndKeyHolder(eventt.getKeycloakSession(), cacheKey);
  } else if (event instanceof RealmModel.ClientRemovedEvent) {
    RealmModel.ClientRemovedEvent eventt = (RealmModel.ClientRemovedEvent) event;
    String cacheKey = PublicKeyStorageUtils.getClientModelCacheKey(eventt.getClient().getRealm().getId(), eventt.getClient().getId());
    return new SessionAndKeyHolder(eventt.getKeycloakSession(), cacheKey);
  } else if (event instanceof RealmModel.IdentityProviderUpdatedEvent) {
    RealmModel.IdentityProviderUpdatedEvent eventt = (RealmModel.IdentityProviderUpdatedEvent) event;
    String cacheKey = PublicKeyStorageUtils.getIdpModelCacheKey(eventt.getRealm().getId(), eventt.getUpdatedIdentityProvider().getInternalId());
    return new SessionAndKeyHolder(eventt.getKeycloakSession(), cacheKey);
  } else if (event instanceof RealmModel.IdentityProviderRemovedEvent) {
    RealmModel.IdentityProviderRemovedEvent eventt = (RealmModel.IdentityProviderRemovedEvent) event;
    String cacheKey = PublicKeyStorageUtils.getIdpModelCacheKey(eventt.getRealm().getId(), eventt.getRemovedIdentityProvider().getInternalId());
    return new SessionAndKeyHolder(eventt.getKeycloakSession(), cacheKey);
  } else {
    return null;
  }
}