function createBackgroundApplication(overrides = {}) {
  const environment = {
    fetch: globalThis.fetch,
    browser: globalThis.browser,
    chrome: globalThis.chrome,
    setTimeout: globalThis.setTimeout,
    ...overrides
  };
  const messageTypes = createMessageTypes();
  const timeEntries = createTimeEntries({ dates: createTimeDates(), fetchJson: (...args) => httpBackgroundJson.fetchJson(...args), getResourceUser: message => fusionSrCreate.getResourceUser(message), saveHeaders: url => srRequestHeaders.timeEntriesHeaders(url) });
  const spaCurrentUser = createSpaCurrentUser({ fetchJson: (...args) => httpBackgroundJson.fetchJson(...args) });
  const requestCurrentUser = () => spaCurrentUser.requestCurrentUser();
  const contracts = createBackgroundContracts();
  const productsCacheState = createProductsCacheState();
  const authConsumerSession = createAuthConsumerSession({
    CUSTOMER_TOKEN_MAX_ATTEMPTS: contracts.CUSTOMER_TOKEN_MAX_ATTEMPTS,
    CUSTOMER_TOKEN_RETRY_BASE_DELAY_MS: contracts.CUSTOMER_TOKEN_RETRY_BASE_DELAY_MS,
    CUSTOMER_TOKEN_RETRY_MAX_DELAY_MS: contracts.CUSTOMER_TOKEN_RETRY_MAX_DELAY_MS,
    CUSTOMER_TOKEN_SERVICE_URL: contracts.CUSTOMER_TOKEN_SERVICE_URL,
    CUSTOMER_TOKEN_SESSION_URL: contracts.CUSTOMER_TOKEN_SESSION_URL,
    extractTokenServiceAuthorization: (...args) => authSpaCredentials.extractTokenServiceAuthorization(...args),
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args),
    supportsFirefoxCookieStoreTabs: (...args) => platformBackgroundApi.supportsFirefoxCookieStoreTabs(...args),
    tabsCreate: (...args) => platformBackgroundApi.tabsCreate(...args),
    tabsRemove: (...args) => platformBackgroundApi.tabsRemove(...args),
    wait: (...args) => platformBackgroundApi.wait(...args)
  });
  const authSpaCredentials = createAuthSpaCredentials({
    findNestedObject: (...args) => spaResponseShapes.findNestedObject(...args)
  });
  const spaAccounts = createSpaAccounts({
    ACCOUNT_PLANS_PAYLOAD: contracts.ACCOUNT_PLANS_PAYLOAD,
    ACCOUNT_PLANS_URL: contracts.ACCOUNT_PLANS_URL,
    ACCOUNT_SUMMARY_URL: contracts.ACCOUNT_SUMMARY_URL,
    extractAccountPlans: (...args) => spaResponseShapes.extractAccountPlans(...args),
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args),
    findAccountPlanId: (...args) => spaResponseShapes.findAccountPlanId(...args),
    normalizeMessageAuthorization: (...args) => authSpaCredentials.normalizeMessageAuthorization(...args)
  });
  const spaInstallBase = createSpaInstallBase({
    ACCOUNT_SUMMARY_URL: contracts.ACCOUNT_SUMMARY_URL,
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args),
    findNestedObject: (...args) => spaResponseShapes.findNestedObject(...args),
    normalizeMessageAuthorization: (...args) => authSpaCredentials.normalizeMessageAuthorization(...args)
  });
  const spaCustomerServiceRequests = createSpaCustomerServiceRequests({
    ACCOUNT_SUMMARY_URL: contracts.ACCOUNT_SUMMARY_URL,
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args),
    findAccountPlanId: (...args) => spaResponseShapes.findAccountPlanId(...args),
    normalizeMessageAuthorization: (...args) => authSpaCredentials.normalizeMessageAuthorization(...args)
  });
  const spaConsumption = createSpaConsumption({
    CONSUMPTION_TREND_REQUESTS: contracts.CONSUMPTION_TREND_REQUESTS,
    CONSUMPTION_TREND_URL: contracts.CONSUMPTION_TREND_URL,
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args),
    normalizeMessageAuthorization: (...args) => authSpaCredentials.normalizeMessageAuthorization(...args)
  });
  const spaResponseShapes = createSpaResponseShapes();
  const httpBackgroundJson = createHttpBackgroundJson({
    observeResponseHeaders: (...args) => srRequestHeaders.observeResponseHeaders(...args),
    previewDebugBody: createDebugBodyPreview,
    environment
  });
  const productsBackgroundJobs = createProductsBackgroundJobs({
    messageTypes,
    OPPTY_PRODUCTS_CONCURRENCY: contracts.OPPTY_PRODUCTS_CONCURRENCY,
    getOpptyProducts: (...args) => productsCache.getOpptyProducts(...args),
    normalizeCacheMaxAge: (...args) => productsCache.normalizeCacheMaxAge(...args),
    tabsSendMessage: (...args) => platformBackgroundApi.tabsSendMessage(...args)
  });
  const productsCache = createProductsCache({
    OPPTY_PRODUCTS_CACHE_KEY: contracts.OPPTY_PRODUCTS_CACHE_KEY,
    fetchAllOpptyProducts: (...args) => fusionProducts.fetchAllOpptyProducts(...args),
    productsCacheState,
    storageLocalGet: (...args) => platformBackgroundApi.storageLocalGet(...args),
    storageLocalSet: (...args) => platformBackgroundApi.storageLocalSet(...args)
  });
  const fusionProducts = createFusionProducts({
    createBackgroundDebugEntry: (...args) => httpBackgroundJson.createBackgroundDebugEntry(...args),
    completeBackgroundDebugEntry: (...args) => httpBackgroundJson.completeBackgroundDebugEntry(...args),
    createDebugBody: (...args) => httpBackgroundJson.createDebugBody(...args),
    headersToObject: (...args) => httpBackgroundJson.headersToObject(...args),
    OPPTY_PRODUCTS_FIELDS: contracts.OPPTY_PRODUCTS_FIELDS,
    OPPTY_PRODUCTS_MAX_PAGES: contracts.OPPTY_PRODUCTS_MAX_PAGES,
    OPPTY_PRODUCTS_PAGE_LIMIT: contracts.OPPTY_PRODUCTS_PAGE_LIMIT,
    ORACLE_DOMAIN: contracts.ORACLE_DOMAIN,
    environment
  });
  const authXsrfRecovery = createAuthXsrfRecovery({
    COOKIE_REFRESH_POLL_MS: contracts.COOKIE_REFRESH_POLL_MS,
    COOKIE_REFRESH_TIMEOUT_MS: contracts.COOKIE_REFRESH_TIMEOUT_MS,
    OPPORTUNITIES_LIST_URL: contracts.OPPORTUNITIES_LIST_URL,
    getXsrfTokenCookie: (...args) => authXsrfCookies.getXsrfTokenCookie(...args),
    supportsFirefoxCookieStoreTabs: (...args) => platformBackgroundApi.supportsFirefoxCookieStoreTabs(...args),
    tabsCreate: (...args) => platformBackgroundApi.tabsCreate(...args),
    tabsRemove: (...args) => platformBackgroundApi.tabsRemove(...args),
    wait: (...args) => platformBackgroundApi.wait(...args)
  });
  const authXsrfCookies = createAuthXsrfCookies({
    ORACLE_COOKIE_URLS: contracts.ORACLE_COOKIE_URLS,
    ORACLE_DOMAIN: contracts.ORACLE_DOMAIN,
    XSRF_COOKIE_NAME: contracts.XSRF_COOKIE_NAME,
    XSRF_COOKIE_PREFIX: contracts.XSRF_COOKIE_PREFIX,
    cookiesGet: (...args) => platformBackgroundApi.cookiesGet(...args),
    cookiesGetAll: (...args) => platformBackgroundApi.cookiesGetAll(...args),
    cookiesGetAllCookieStores: (...args) => platformBackgroundApi.cookiesGetAllCookieStores(...args),
    removeUndefinedValues: (...args) => platformBackgroundApi.removeUndefinedValues(...args)
  });
  const platformBackgroundApi = createPlatformBackgroundApi({
    runtimeApi: environment.browser || environment.chrome,
    environment
  });
  const getXsrfTokenCookie = (...args) => authXsrfCookies.getXsrfTokenCookie(...args);
  const refreshXsrfCookie = (...args) => authXsrfRecovery.refreshXsrfCookie(...args);
  const requestAccountPlans = (...args) => spaAccounts.requestAccountPlans(...args);
  const requestInstallBase = (...args) => spaInstallBase.requestInstallBase(...args);
  const spaWorkloadActions = createSpaWorkloadActions({ fetchJson: (...args) => httpBackgroundJson.fetchJson(...args) });
  const requestWlActions = (...args) => spaWorkloadActions.requestWlActions(...args);
  const spaActionOptions = createSpaActionOptions({ fetchJson: (...args) => httpBackgroundJson.fetchJson(...args) });
  const requestActionTeamMembers = (...args) => spaActionOptions.requestActionTeamMembers(...args);
  const requestActionFindLookup = (...args) => spaActionOptions.requestActionFindLookup(...args);
  const requestCustomerServiceRequest = (...args) => spaCustomerServiceRequests.requestCustomerServiceRequest(...args);
  const requestConsumerTokenService = (...args) => authConsumerSession.requestConsumerTokenService(...args);
  const requestConsumptionTrend = (...args) => spaConsumption.requestConsumptionTrend(...args);
  const requestConsumptionPlanDetail = (...args) => spaConsumption.requestConsumptionPlanDetail(...args);
  const requestRatecardByPlan = (...args) => spaConsumption.requestRatecardByPlan(...args);
  const requestOpptyProducts = (...args) => productsBackgroundJobs.requestOpptyProducts(...args);
  const runtimeApi = environment.browser || environment.chrome;
  const srRequestHeaders = createSrRequestHeaders({ runtimeApi });
  const fusionSrCreate = createFusionSrCreate({
    runtimeApi,
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args),
    tokenHeaders: (...args) => srRequestHeaders.tokenHeaders(...args),
    internalServiceRequestHeaders: url => srRequestHeaders.internalServiceRequestHeaders(url),
    previewTokenHeaders: url => srRequestHeaders.previewTokenHeaders(url)
  });
  const fusionSrDetails = createFusionSrDetails({
    cookieChanges: runtimeApi?.cookies?.onChanged,
    cookiesGetAll: (...args) => platformBackgroundApi.cookiesGetAll(...args),
    tabsCreate: (...args) => platformBackgroundApi.tabsCreate(...args),
    tabsRemove: (...args) => platformBackgroundApi.tabsRemove(...args),
    supportsFirefoxCookieStoreTabs: () => platformBackgroundApi.supportsFirefoxCookieStoreTabs(),
    wait: (...args) => platformBackgroundApi.wait(...args),
    fetchJson: (...args) => httpBackgroundJson.fetchJson(...args)
  });
  function start() {
    srRequestHeaders.start();
    startBackgroundApplication({
      invalidateResourceUser: () => fusionSrCreate.invalidateResourceUser(),
      requestWeekDetails: message => timeEntries.requestWeekDetails(message),
      requestTimeEntries: message => timeEntries.requestTimeEntries(message),
      requestTimeEntriesSave: message => timeEntries.requestTimeEntriesSave(message),
      requestTimeEntriesDelete: message => timeEntries.requestTimeEntriesDelete(message),
      requestLookupTaskType: () => timeEntries.requestLookupTaskType(),
      requestServiceRequestExpand: message => timeEntries.requestServiceRequestExpand(message),
      requestResourceUser: message => fusionSrCreate.getResourceUser(message),
      requestActiveServiceRequests: message => timeEntries.requestActiveServiceRequests(message),
      requestLookupTypePlatform: () => fusionSrDetails.requestLookupTypePlatform(),
      requestPostInternalServiceRequest: message => fusionSrCreate.requestPostInternalServiceRequest(message),
      requestInternalSrServices: message => fusionSrDetails.requestInternalSrServices(message),
      requestPostServiceRequest: message => fusionSrCreate.requestPostServiceRequest(message), prepareSrSession: sender => fusionSrDetails.prepareSession(sender), requestSrLookupWithSession: (...args) => fusionSrDetails.requestLookupWithSession(...args), messageTypes, requestSrLookupLanguage: () => fusionSrDetails.requestSrLookupLanguage(), requestSrLookupTechPlatform: () => fusionSrDetails.requestSrLookupTechPlatform(), requestSrLookupOpportunityBusiness: message => fusionSrDetails.requestSrLookupOpportunityBusiness(message), requestSrLookupPrimaryPillar: () => fusionSrDetails.requestSrLookupPrimaryPillar(), requestInternalServiceRequest: (message, sender) => fusionSrDetails.requestInternalServiceRequest(message, sender), requestMgmtAction: message => spaActionOptions.requestMgmtAction(message), invalidateProductsCache: () => productsCache.invalidate(), requestCurrentUser, getXsrfTokenCookie, refreshXsrfCookie, requestAccountPlans, requestInstallBase, requestCustomerServiceRequest, requestWlActions, requestActionTeamMembers, requestActionFindLookup, requestConsumerTokenService, requestConsumptionTrend, requestConsumptionPlanDetail, requestRatecardByPlan, requestOpptyProducts, runtimeApi });
  }
  return {
    start, contracts,
    productsCacheState,
    authConsumerSession,
    authSpaCredentials,
    spaAccounts,
    spaInstallBase,
    spaCustomerServiceRequests,
    spaConsumption,
    spaResponseShapes,
    httpBackgroundJson,
    productsBackgroundJobs,
    productsCache,
    fusionProducts,
    authXsrfRecovery,
    authXsrfCookies,
    platformBackgroundApi
  };
}