old_contents: """ Encode any known changes to the database here
  to help the matching process
  """
  
  # Renamed modules is a mapping from old module name to new module name
  renamed_modules = {
      # odoo
      "crm_iap_lead": "crm_iap_mine",
      "crm_iap_lead_enrich": "crm_iap_enrich",
      "l10n_eu_service": "l10n_eu_oss",
      "mail_client_extension": "mail_plugin",
      "payment_ingenico": "payment_ogone",
      # OCA/project
      "project_stage_state": "project_task_stage_state",
      # OCA/...
  }
  
  # Merged modules contain a mapping from old module names to other,
  # preexisting module names
  merged_modules = {
      # odoo
      "account_edi_extended": "account_edi",
      "l10n_be_invoice_bba": "l10n_be",
      "l10n_ch_qr_iban": "l10n_ch",
      "l10n_se_ocr": "l10n_se",
      "payment_fix_register_token": "payment",
      "procurement_jit": "sale_stock",
      "sale_timesheet_edit": "sale_timesheet",
      "website_event_track_exhibitor": "website_event_exhibitor",
      "website_form": "website",
      "website_sale_management": "website_sale",
      # OCA/web
      "web_decimal_numpad_dot": "web",
  }
  
  # only used here for upgrade_analysis
  renamed_models = {
      # odoo
      # OCA/...
  }
  
  # only used here for upgrade_analysis
  merged_models = {}
  
new_contents: """ Encode any known changes to the database here
  to help the matching process
  """
  
  # Renamed modules is a mapping from old module name to new module name
  renamed_modules = {
      # odoo
      "crm_iap_lead": "crm_iap_mine",
      "crm_iap_lead_enrich": "crm_iap_enrich",
      "l10n_eu_service": "l10n_eu_oss",
      "mail_client_extension": "mail_plugin",
      "payment_ingenico": "payment_ogone",
      # OCA/project
      "project_stage_state": "project_task_stage_state",
      # OCA/...
  }
  
  # Merged modules contain a mapping from old module names to other,
  # preexisting module names
  merged_modules = {
      # odoo
      "account_edi_extended": "account_edi",
      "l10n_be_invoice_bba": "l10n_be",
      "l10n_ch_qr_iban": "l10n_ch",
      "l10n_se_ocr": "l10n_se",
      "payment_fix_register_token": "payment",
      "procurement_jit": "sale_stock",
      "sale_timesheet_edit": "sale_timesheet",
      "website_event_track_exhibitor": "website_event_exhibitor",
      "website_form": "website",
      "website_sale_management": "website_sale",
      # OCA/account-financial-tools
      "stock_account_prepare_anglo_saxon_out_lines_hook": "stock_account",
      # OCA/stock-logistics-workflow
      "stock_move_assign_picking_hook": "stock",
      # OCA/web
      "web_decimal_numpad_dot": "web",
  }
  
  # only used here for upgrade_analysis
  renamed_models = {
      # odoo
      # OCA/...
  }
  
  # only used here for upgrade_analysis
  merged_models = {}
  
subject: add more merged_modules