@NotNull
    @JsonProperty
    @JsonPropertyDescription("The API key to use when forwarding data if Stroom is configured to require an API key.")
    public String getApiKey() {
        return apiKey;
    }
True if received streams should be forwarded to another stroom(-proxy) instance.
stroom-proxy/stroom-proxy-app/src/main/java/stroom/proxy/app/handler/ForwardHttpPostConfig.java