llEntries[0] === startMark}`);
        printlnBuffered(`allEntries[1] === measureMark: ${allEntries[1] === measureMark}`);
        printlnBuffered(`allEntries[2] === endMark: ${allEntries[2] === endMark}`);

        const markEntries = list.getEntriesByType("mark");
        printlnBuffered(`markEntries instanceof Array: ${markEntries instanceof Array}`);
        printlnBuffered(`markEntries.length === 2: ${markEntries.length === 2}`);
        printlnBuffered(`markEntries[0] === startMark: ${markEntries[0] =