src/vs/workbench/services/extensionManagement/common/extensionManagementService.ts/ExtensionManagementService/unzip
class ExtensionManagementService:	unzip(zipLocation: URI): Promise<IExtensionIdentifier> {
		return Promises.settled(this.servers
			// Filter out web server
			.filter(server => server !== this.extensionManagementServerService.webExtensionManagementServer)
			.map(({ extensionManagementService }) => extensionManagementService.unzip(zipLocation))).then(([extensionIdentifier]) => extensionIdentifier);
	}