private SearchLookup lookup = new SearchLookup(
        fieldTypes::get,
        (mft, lookup) -> mft.fielddataBuilder("test", lookup).build(fieldDataCache, breakerService)
    );

    @Param({ "expression", "metal", "painless_cast", "painless_def" })
    private String script;

    @Param({ "16" })
    private double indexingBufferMb;

    private ScoreScript.Factory factory;

    private IndexReader reader;

    @Setup