11 files declare their use of EdgeKeyTypeInterface in Apigee Edge 8

ApigeeAuthKeyInput.php in src/Plugin/KeyInput/ApigeeAuthKeyInput.php

ApigeeAuthKeyType.php in src/Plugin/KeyType/ApigeeAuthKeyType.php

apigee_edge.install in ./apigee_edge.install

Copyright 2018 Google Inc.

AuthenticationFormJsTest.php in tests/src/FunctionalJavascript/Form/AuthenticationFormJsTest.php

Credentials.php in src/Credentials.php

CredentialsInterface.php in src/CredentialsInterface.php

HybridCredentials.php in src/Connector/HybridCredentials.php

KeyEntityFormEnhancer.php in src/KeyEntityFormEnhancer.php

OauthCredentials.php in src/OauthCredentials.php

SDKConnector.php in src/SDKConnector.php

StatusReportTest.php in tests/src/Functional/StatusReportTest.php