private BytesReference sourceBytes;
    private FetchSourceContext fetchContext;
    private Set<String> includesSet;
    private Set<String> excludesSet;
    private FilterPath[] includesFilters;
    private FilterPath[] excludesFilters;

    @Param({ "tiny", "short", "one_4k_field", "one_4m_field" })
    private String source;
    @Param({ "message" })
    private String includes;
    @Param({ "" })