src/vs/workbench/browser/parts/editor/editorWithViewState.ts/AbstractEditorWithViewState/dispose
class AbstractEditorWithViewState:	override dispose(): void {
		super.dispose();

		if (this.editorViewStateDisposables) {
			for (const [, disposables] of this.editorViewStateDisposables) {
				disposables.dispose();
			}

			this.editorViewStateDisposables = undefined;
		}
	}