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import DependencyContainer from "../types/dependency-container.ts";import FactoryFunction from "./factory-function.ts";
export default function instanceCachingFactory<T>(  factoryFunc: FactoryFunction<T>,): FactoryFunction<T> {  let instance: T;  return (dependencyContainer: DependencyContainer) => {    if (instance == undefined) {      instance = factoryFunc(dependencyContainer);    }    return instance;  };}