code: def upgrade_settings(
      self, setting_values, variable_revision_number, module_name
  ):
      if variable_revision_number == 1:
          new_setting_values = [setting_values[0]]
          idx = 1
          for flag_idx in range(int(setting_values[0])):
              new_setting_values += setting_values[idx : idx + 4] + [
                  "No"
              ]
              meas_count = int(setting_values[idx])
              idx += 4
              for meas_idx in range(meas_count):
                  measurement_source = setting_values[idx]
                  if (
                      measurement_source.startswith(
                          "Measurement for all"
                      )
                      or measurement_source == "All objects"
                  ):
                      measurement_source = S_ALL_OBJECTS
                  elif measurement_source == "Average for objects":
                      measurement_source = S_AVERAGE_OBJECT
                  elif measurement_source == "Image":
                      measurement_source = S_IMAGE
                  new_setting_values += [measurement_source]
                  new_setting_values += setting_values[
                      (idx + 1) : (idx + 7)
                  ]
                  idx += 7
          setting_values = new_setting_values
          variable_revision_number = 2
  
      if variable_revision_number == 2:
          # Added rules
          new_setting_values = [setting_values[0]]
          idx = 1
          for flag_idx in range(int(setting_values[0])):
              new_setting_values += setting_values[
                  idx : idx + N_FIXED_SETTINGS_PER_FLAG
              ]
              meas_count = int(setting_values[idx])
              idx += N_FIXED_SETTINGS_PER_FLAG
              for meas_idx in range(meas_count):
                  measurement_source = setting_values[idx]
                  new_setting_values += [measurement_source]
                  new_setting_values += setting_values[
                      (idx + 1) : (idx + N_SETTINGS_PER_MEASUREMENT_V2)
                  ] + [
                      Directory.static_join_string(
                          DEFAULT_INPUT_FOLDER_NAME, "None"
                      ),
                      "rules.txt",
                  ]
                  idx += N_SETTINGS_PER_MEASUREMENT_V2
          setting_values = new_setting_values
  
          variable_revision_number = 3
  
      if variable_revision_number == 3:
          # Added rules_class
          new_setting_values = setting_values[:1]
          idx = 1
          for flag_idx in range(int(setting_values[0])):
              new_setting_values += setting_values[
                  idx : (idx + N_FIXED_SETTINGS_PER_FLAG)
              ]
              meas_count = int(setting_values[idx])
              idx += N_FIXED_SETTINGS_PER_FLAG
              for meas_idx in range(meas_count):
                  new_setting_values += setting_values[
                      idx : (idx + N_SETTINGS_PER_MEASUREMENT_V3)
                  ]
                  new_setting_values += ["1"]
                  idx += N_SETTINGS_PER_MEASUREMENT_V3
          setting_values = new_setting_values
          variable_revision_number = 4
  
      if variable_revision_number == 4:
          # Add ability to do fuzzy matching, skip flag on last prev added
          new_setting_values = setting_values[:1]
          idx = 1
          for flag_idx in range(int(setting_values[0])):
              new_setting_values += setting_values[
                  idx : (idx + N_FIXED_SETTINGS_PER_FLAG)
              ]
              meas_count = int(setting_values[idx])
              idx += N_FIXED_SETTINGS_PER_FLAG
              for meas_idx in range(meas_count):
                  new_setting_values += setting_values[
                      idx : (idx + N_SETTINGS_PER_MEASUREMENT_V4)
                  ]
                  new_setting_values += [False]
                  idx += N_SETTINGS_PER_MEASUREMENT_V4
          new_setting_values += setting_values[-1:]
          setting_values = new_setting_values
          variable_revision_number = 5
  
      return setting_values, variable_revision_number
  
imports: import logging
  import os
  import numpy
  from cellprofiler_core.constants.measurement import IMAGE, COLTYPE_INTEGER
  from cellprofiler_core.constants.module import IO_FOLDER_CHOICE_HELP_TEXT
  from cellprofiler_core.constants.workspace import DISPOSITION_CONTINUE, DISPOSITION_SKIP
  from cellprofiler_core.measurement import Measurements
  from cellprofiler_core.module import Module
  from cellprofiler_core.preferences import DEFAULT_INPUT_FOLDER_NAME
  from cellprofiler_core.setting import Binary
  from cellprofiler_core.setting import Divider
  from cellprofiler_core.setting import HiddenCount
  from cellprofiler_core.setting import Measurement
  from cellprofiler_core.setting import SettingsGroup
  from cellprofiler_core.setting import ValidationError
  from cellprofiler_core.setting.choice import Choice
  from cellprofiler_core.setting.do_something import DoSomething, RemoveSettingButton
  from cellprofiler_core.setting.multichoice import MultiChoice
  from cellprofiler_core.setting.subscriber import LabelSubscriber
  from cellprofiler_core.setting.text import Text, Filename, Directory, Float
  from cellprofiler.utilities.rules import Rules
label_desc: Use image node_id 25 for calling the FlagImage obj's underlying member method code with example usage: obj.upgrade_settings(setting_values, variable_revision_number, module_name) and returns: setting_values,  variable_revision_number