src/vs/workbench/api/common/extHostProfileContentHandler.ts/ExtHostProfileContentHandlers/$saveProfile
class ExtHostProfileContentHandlers:	async $saveProfile(id: string, name: string, content: string, token: CancellationToken): Promise<UriComponents | null> {
		const handler = this.handlers.get(id);
		if (!handler) {
			throw new Error(`Unknown handler with id: ${id}`);
		}

		return handler.saveProfile(name, content, token);
	}