src/vs/workbench/services/userDataProfile/browser/extensionsResource.ts/ExtensionsResourceImportTreeItem/getContent
class ExtensionsResourceImportTreeItem:	async getContent(): Promise<string> {
		const extensionsResource = this.instantiationService.createInstance(ExtensionsResource);
		const extensions = await extensionsResource.getProfileExtensions(this.content);
		return extensionsResource.toContent(extensions, [...this.excludedExtensions.values()]);
	}