public void dumpMapping(TextBuffer buffer, boolean offsetsToHex) {
    if (mapping.isEmpty() && linesMapping.isEmpty()) {
      return;
    }

    String lineSeparator = DecompilerContext.getNewLineSeparator();

    for (Entry<String, Map<String, Map<Integer, Integer>>> class_entry : mapping.entrySet()) {
      Map<String, Map<Integer, Integer>> class_mapping = class_entry.getValue();
      buffer.append("class '" + class_entry.getKey() + "' {" + lineSeparator);

      boolean is_first_method = true;
      for (Entry<String, Map<Integer, Integer>> method_entry : class_mapping.entrySet()) {
        Map<Integer, Integer> method_mapping = method_entry.getValue();

        if (!is_first_method) {
          buffer.appendLineSeparator();
        }

        buffer.appendIndent(1).append("method '" + method_entry.getKey() + "' {" + lineSeparator);

        List<Integer> lstBytecodeOffsets = new ArrayList<>(method_mapping.keySet());
        Collections.sort(lstBytecodeOffsets);

        for (Integer offset : lstBytecodeOffsets) {
          Integer line = method_mapping.get(offset);

          String strOffset = offsetsToHex ? Integer.toHexString(offset) : line.toString();
          buffer.appendIndent(2).append(strOffset).appendIndent(2).append((line + offset_total) + lineSeparator);
        }
        buffer.appendIndent(1).append("}").appendLineSeparator();

        is_first_method = false;
      }

      buffer.append("}").appendLineSeparator().appendLineSeparator();
    }

    // lines mapping
    buffer.append("Lines mapping:").appendLineSeparator();
    Map<Integer, Integer> sorted = new TreeMap<>(linesMapping);
    for (Entry<Integer, Integer> entry : sorted.entrySet()) {
      buffer.append(entry.getKey()).append(" <-> ").append(entry.getValue() + offset_total + 1).appendLineSeparator();
    }

    if (!unmappedLines.isEmpty()) {
      buffer.append("Not mapped:").appendLineSeparator();
      for (Integer line : unmappedLines) {
        if (!linesMapping.containsKey(line)) {
          buffer.append(line).appendLineSeparator();
        }
      }
    }
  }
public void dumpMapping(TextBuffer buffer, boolean offsetsToHex)