extensions/references-view/src/references/model.ts/ReferencesModel/message
class ReferencesModel:	get message() {
		if (this.items.length === 0) {
			return vscode.l10n.t('No results.');
		}
		const total = this.items.reduce((prev, cur) => prev + cur.references.length, 0);
		const files = this.items.length;
		if (total === 1 && files === 1) {
			return vscode.l10n.t('{0} result in {1} file', total, files);
		} else if (total === 1) {
			return vscode.l10n.t('{0} result in {1} files', total, files);
		} else if (files === 1) {
			return vscode.l10n.t('{0} results in {1} file', total, files);
		} else {
			return vscode.l10n.t('{0} results in {1} files', total, files);
		}
	}