"seven", 7,
            "eight", 8,
            "nine", 9),
        "one",
        1,
        "two",
        2,
        "three",
        3,
        "four",
        4,
        "five",
        5,
        "six",
        6,
        "seven",
        7,
        "eight",
        8,
        "nine",
        9);
    assertMapEquals(
        ImmutableBiMap.of(

            "seven", 7,
            "eight", 8,
            "nine", 9),
        "one",
        1,
        "two",
        2,
        "three",
        3,
        "four",
        4,
        "five",
        5,
        "six",
        6,
        "seven",
        7,
        "eight",
        8,
        "nine",
        9);
    assertMapEquals(
        ImmutableMap.of(

            "seven", 7,
            "eight", 8,
            "nine", 9),
        "one",
        1,
        "two",
        2,
        "three",
        3,
        "four",
        4,
        "five",
        5,
        "six",
        6,
        "seven",
        7,
        "eight",
        8,
        "nine",
        9);
    assertMapEquals(
        ImmutableMap.of(

        }
    }

    @Override
    public void add(ModelProblemCollectorRequest req) {
        int line = -1;
        int column = -1;
        String source = null;
        String modelId = null;

        if (req.getLocation() != null) {
            line = req.getLocation().getLineNumber();
            column = req.getLocation().getColumnNumber();

}\n}\n\n.btn {\n  display: inline-block;\n  font-weight: 400;\n  color: #212529;\n  text-align: center;\n  vertical-align: middle;\n  -webkit-user-select: none;\n  -moz-user-select: none;\n  -ms-user-select: none;\n  user-select: none;\n  background-color: transparent;\n  border: 1px solid transparent;\n  padding: 0.375rem 0.75rem;\n  font-size: 1rem;\n  line-height: 1.5;\n  border-radius: 0.25rem;\n  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out,...

   *
   * The initial write to delegateRef is made definitely visible via the semantics of
   * addListener/SES.schedule. The later racy write in cancel() is not guaranteed to be observed,
   * however that is fine since the correctness is based on the atomic state in our base class. The
   * initial write to timer is never definitely visible to Fire.run since it is assigned after

        for (int i = 0; i < lines.length; i++) {
            // add eventual current color inherited from previous line
            String line = currentColor + lines[i];

            // look for last ANSI escape sequence to check if nextColor
            Matcher matcher = LAST_ANSI_SEQUENCE.matcher(line);
            String nextColor = "";
            if (matcher.find()) {
                nextColor = matcher.group(1);

      out.append(charSequence);
    }
  }

  /**
   * Writes the given lines of text to this sink with each line (including the last) terminated with
   * the operating system's default line separator. This method is equivalent to {@code
   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */

        List<String[]> data = new ArrayList<>();
        String k = null;
        for (String line : Files.readAllLines(Paths.get("src/test/resources/dag.txt"))) {
            if (line.startsWith("\t")) {
                data.add(new String[] {k, line.trim()});
            } else {
                k = line;
            }
        }
        Collections.shuffle(data);

        long t0 = System.nanoTime();

        initCause(cause);
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
    }

    /**
     * Gets the one-based index of the line containing the error.
     *
     * @return The one-based index of the line containing the error or a non-positive value if unknown.
     */
    public int getLineNumber() {
        return lineNumber;
    }

    /**