text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   * @flow strict
   */
  
  // In www, these flags are controlled by GKs. Because most GKs have some
  // population running in either mode, we should run our tests that way, too,
  //
  // Use __VARIANT__ to simulate a GK. The tests will be run twice: once
  // with the __VARIANT__ set to `true`, and once set to `false`.
  
  export const warnAboutSpreadingKeyToJSX = __VARIANT__;
  export const disableInputAttributeSyncing = __VARIANT__;
  export const enableFilterEmptyStringAttributesDOM = __VARIANT__;
  export const enableLegacyFBSupport = __VARIANT__;
  export const decoupleUpdatePriorityFromScheduler = __VARIANT__;
  
  // TODO: This feature does not currently exist in the new reconciler fork.
  export const enableDebugTracing = !__VARIANT__;
  
  // This only has an effect in the new reconciler. But also, the new reconciler
  // is only enabled when __VARIANT__ is true. So this is set to the opposite of
  // __VARIANT__ so that it's `false` when running against the new reconciler.
  // Ideally we would test both against the new reconciler, but until then, we
  // should test the value that is used in www. Which is `false`.
  //
  // Once Lanes has landed in both reconciler forks, we'll get coverage of
  // both branches.
  export const deferRenderPhaseUpdateToNextBatch = !__VARIANT__;
  
  // These are already tested in both modes using the build type dimension,
  // so we don't need to use __VARIANT__ to get extra coverage.
  export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
  export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
  
  // TODO: These flags are hard-coded to the default values used in open source.
  // Update the tests so that they pass in either mode, then set these
  // to __VARIANT__.
  export const enableTrustedTypesIntegration = false;
  export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
  
  export const enableFormEventDelegation = __VARIANT__;
  