message: refactor(devtools): remove unused import
diff: @@ -18,7 +18,6 @@ import { setConsoleReference } from './selected-component';
  import { unHighlight } from './highlighter';
  import { getAngularVersion, appIsAngularInDevMode, appIsSupportedAngularVersion } from './angular-check';
  import { observeDOM, getDirectiveId, getDirectiveForest, indexDirectiveForest } from './component-tree-identifiers';
  -import { IndexedNode } from './observer/identity-tracker';
  export const subscribeToClientEvents = (messageBus: MessageBus<Events>): void => {
  messageBus.on('shutdown', shutdownCallback(messageBus));
  @@ -166,7 +165,7 @@ export interface SerializableComponentTreeNode
  // We don't need the component instance, so we just traverse the tree
  // and leave the component name.
  export const prepareForestForSerialization = (roots: ComponentTreeNode[]): SerializableComponentTreeNode[] => {
  - return roots.map(node => {
  + return roots.map((node) => {
  return {
  element: node.element,
  component: node.component
  @@ -176,7 +175,7 @@ export const prepareForestForSerialization = (roots: ComponentTreeNode[]): Seria
  id: getDirectiveId(node.component.instance),
  }
  : null,
  - directives: node.directives.map(d => ({ name: d.name, id: getDirectiveId(d.instance) })),
  + directives: node.directives.map((d) => ({ name: d.name, id: getDirectiveId(d.instance) })),
  children: prepareForestForSerialization(node.children),
  } as SerializableComponentTreeNode;
  });
  