Import AdapterLitElement from the real source

packages/app-shell/src/auth-menu-button.js

packages/app-shell/src/build-info.js

packages/app-shell/src/tugraz-logo.js

packages/auth/src/auth-keycloak.js

packages/common/dbp-lit-element.js

packages/data-table-view/src/data-table-view.js

packages/file-handling/src/clipboard.js

...-element-view/src/knowledge-base-web-page-element-view.js

packages/language-select/src/dbp-language-select-demo.js

packages/language-select/src/language-select.js

packages/person-select/src/person-select.js

packages/provider/src/adapter-lit-element.js

packages/resource-select/src/resource-select.js

toolkit-showcase/src/dbp-auth-demo-activity.js

toolkit-showcase/src/dbp-common-demo-activity.js

toolkit-showcase/src/dbp-data-table-view-demo-activity.js

toolkit-showcase/src/dbp-demo-template.js

toolkit-showcase/src/dbp-file-handling-demo-activity.js

...dbp-knowledge-base-web-page-element-view-demo-activity.js

toolkit-showcase/src/dbp-language-select-demo-activity.js