src/vs/workbench/contrib/search/browser/replaceService.ts/ReplacePreviewContentProvider/provideTextContent
class ReplacePreviewContentProvider:	provideTextContent(uri: URI): Promise<ITextModel> | null {
		if (uri.fragment === REPLACE_PREVIEW) {
			return this.instantiationService.createInstance(ReplacePreviewModel).resolve(uri);
		}
		return null;
	}