extensions/typescript-language-features/src/typescriptServiceClient.ts/TypeScriptServiceClient/restartTsServer
class TypeScriptServiceClient:	public restartTsServer(): void {
		if (this.serverState.type === ServerState.Type.Running) {
			this.info('Killing TS Server');
			this.isRestarting = true;
			this.serverState.server.kill();
		}

		this.serverState = this.startService(true);
	}