extensions/typescript-language-features/src/languageFeatures/codeLens/implementationsCodeLens.ts/TypeScriptImplementationsCodeLensProvider/getTitle
class TypeScriptImplementationsCodeLensProvider:	private getTitle(locations: vscode.Location[]): string {
		return locations.length === 1
			? vscode.l10n.t("1 implementation")
			: vscode.l10n.t("{0} implementations", locations.length);
	}