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