src/vs/platform/extensionManagement/common/extensionManagementIpc.ts/ExtensionManagementChannelClient/getManifest
class ExtensionManagementChannelClient:	getManifest(vsix: URI): Promise<IExtensionManifest> {
		return Promise.resolve(this.channel.call<IExtensionManifest>('getManifest', [vsix]));
	}