src/vs/workbench/contrib/searchEditor/browser/searchEditorInput.ts/SearchEditorInput/suggestFileName
class SearchEditorInput:	private async suggestFileName(): Promise<URI> {
		const query = (await this.resolveModels()).configurationModel.config.query;
		const searchFileName = (query.replace(/[^\w \-_]+/g, '_') || 'Search') + SEARCH_EDITOR_EXT;
		return joinPath(await this.fileDialogService.defaultFilePath(this.pathService.defaultUriScheme), searchFileName);
	}