}

  @Override
  public synchronized void mark(int readlimit) {
    in.mark(readlimit);
    mark = count;
    // it's okay to mark even if mark isn't supported, as reset won't work
  }

  @Override
  public synchronized void reset() throws IOException {
    if (!in.markSupported()) {
      throw new IOException("Mark not supported");
    }
    if (mark == -1) {
      throw new IOException("Mark not set");
    }

                    mark = si + 1;
                    state = 5;
                }
                break;
            case 5:
                if (ch == '=') {
                    key = str.substring(mark, si).trim();
                    mark = si + 1;
                } else if (ch == ',' || ch == ']') {
                    final String val = str.substring(mark, si).trim();

    return true;
  }

  @Override
  public synchronized void mark(int readAheadLimit) throws IOException {
    checkArgument(readAheadLimit >= 0, "readAheadLimit (%s) may not be negative", readAheadLimit);
    checkOpen();
    mark = pos;
  }

  @Override
  public synchronized void reset() throws IOException {
    checkOpen();
    pos = mark;
  }

  @Override

        inactiveProfileIds.forEach(this::deactivateOptionalProfile);
    }

    /**
     * Mark a profile as required and activated.
     * @param id The identifier of the profile.
     */
    public void activateRequiredProfile(String id) {
        this.activations.put(id, ActivationSettings.activated());
    }

    /**
     * Mark a profile as optional and activated.
     * @param id The identifier of the profile.
     */

                    mark = si + 1;
                    state = 5;
                }
                break;
            case 5:
                if (ch == '=') {
                    key = str.substring(mark, si).trim();
                    mark = si + 1;
                } else if (ch == ',' || ch == ']') {
                    final String val = str.substring(mark, si).trim();
                    mark = si + 1;

        // Initial update - should mark as changed
        entry.updateChild(childName, 1024L, 1000L, false, 0x20, 500L, 800L);
        assertTrue(entry.hasChanges());

        // Clear changes to test next scenario
        entry.markComplete();
        assertFalse(entry.hasChanges());

        // Update with same values - should not mark as changed (no actual change)

    }

    /**
     * Mark a project as required and activated.
     * @param selector The selector of the project.
     */
    public void activateRequiredProject(String selector) {
        this.activations.add(new ProjectActivationSettings(selector, ActivationSettings.activated()));
    }

    /**
     * Mark a project as optional and activated.

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    }
    return numOfBytesRead;
  }

  /**
   * mark() is not supported for HashingInputStream
   *
   * @return {@code false} always
   */
  @Override
  public boolean markSupported() {
    return false;
  }

  /** mark() is not supported for HashingInputStream */
  @Override
  public void mark(int readlimit) {}

  /**
   * reset() is not supported for HashingInputStream.
   *

309B          ; disallowed_STD3_mapped ; 0020 3099     # 1.1  KATAKANA-HIRAGANA VOICED SOUND MARK
309C          ; disallowed_STD3_mapped ; 0020 309A     # 1.1  KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
309D..309E    ; valid                                  # 1.1  HIRAGANA ITERATION MARK..HIRAGANA VOICED ITERATION MARK