private static final GradleVersion MIN_CLIENT_VERSION = GradleVersion.version("3.0");
    private ProtocolToModelAdapter adapter;
    private BuildProcessState buildProcessState;
    private ProviderConnection connection;
    @Nullable // not provided by older client versions
    private GradleVersion consumerVersion;

    /**
     * This is used by consumers 1.0-milestone-3 and later
     */