src/vs/workbench/services/extensionManagement/common/webExtensionsScannerService.ts/WebExtensionsScannerService/readStaticExtensions
class WebExtensionsScannerService:	private async readStaticExtensions(): Promise<IExtension[]> {
		const staticExtensions = this.environmentService.options && Array.isArray(this.environmentService.options.staticExtensions) ? this.environmentService.options.staticExtensions : [];
		const result: IExtension[] = [];
		for (const e of staticExtensions) {
			const extension = this.parseStaticExtension(e, isUndefined(e.isBuiltin) ? true : e.isBuiltin);
			if (extension) {
				result.push(extension);
			}
		}
		return result;
	}