6 files declare their use of FrontendEnvironment in Build Hooks 8.2

BuildHooksKernelTestBase.php in tests/src/Kernel/BuildHooksKernelTestBase.php

CircleBuildHookTest.php in modules/build_hooks_circleci/tests/src/Kernel/CircleBuildHookTest.php

DeployLogger.php in src/DeployLogger.php

DeploymentForm.php in src/Form/DeploymentForm.php

EnvironmentTestTrait.php in tests/src/Traits/EnvironmentTestTrait.php

UiTest.php in tests/src/Functional/UiTest.php