extensions/typescript-language-features/src/typescriptServiceClient.ts/Running/constructor
class Running:		constructor(
			public readonly server: ITypeScriptServer,

			/**
			 * API version obtained from the version picker after checking the corresponding path exists.
			 */
			public readonly apiVersion: API,

			/**
			 * Version reported by currently-running tsserver.
			 */
			public tsserverVersion: string | undefined,
			public languageServiceEnabled: boolean,
		) { }