extensions/markdown-language-features/preview-src/messaging.ts/createPosterForVsCode
export const createPosterForVsCode = (vscode: any, settingsManager: SettingsManager) => {
	return new class implements MessagePoster {
		postMessage(type: string, body: object): void {
			vscode.postMessage({
				type,
				source: settingsManager.settings!.source,
				body
			});
		}
	};
};