chore(ckeditor5-footnotes): fix more errors

packages/ckeditor5-footnotes/src/augmentation.ts

@@ -1,7 +1,11 @@
+import FootnoteEditing from './footnote-editing/footnote-editing.js';
+import FootnoteUI from './footnote-ui.js';
 import type { Footnotes } from './index.js';
 
 declare module 'ckeditor5' {
 	interface PluginsMap {
 		[ Footnotes.pluginName ]: Footnotes;
+		[ FootnoteEditing.pluginName ]: FootnoteEditing;
+		[ FootnoteUI.pluginName ]: FootnoteUI;
 	}
 }

packages/ckeditor5-footnotes/src/footnote-editing/footnote-editing.ts

@@ -14,6 +14,11 @@ import { modelQueryElement, modelQueryElementsAll } from '../utils.js';
 import { Autoformat, Batch, Element, Plugin, RootElement, viewToModelPositionOutsideModelElement, Widget, Writer } from 'ckeditor5';
 
 export default class FootnoteEditing extends Plugin {
+
+	public static get pluginName() {
+		return 'FootnotesEditing' as const;
+	}
+
 	public static get requires() {
 		return [ Widget, Autoformat ] as const;
 	}

packages/ckeditor5-footnotes/src/footnote-ui.ts

@@ -10,6 +10,11 @@ import insertFootnoteIcon from '../theme/icons/insert-footnote.svg';
 import { modelQueryElement, modelQueryElementsAll } from './utils.js';
 
 export default class FootnoteUI extends Plugin {
+
+	public static get pluginName() {
+		return 'FootnoteUI' as const;
+	}
+
 	public init(): void {
 		const editor = this.editor;
 		const translate = editor.t;

packages/ckeditor5-footnotes/src/utils.ts

@@ -1,5 +1,4 @@
-import { type Editor } from 'ckeditor5/src/core.js';
+import { type Editor, Element, Text, TextProxy, ViewElement } from 'ckeditor5';
-import { Element, Text, TextProxy, ViewElement } from 'ckeditor5/src/engine.js';
 
 // There's ample DRY violation in this file; type checking
 // polymorphism without full typescript is just incredibly finicky.