const requested = {};
const hasRequested = (url)=>{
    if (requested[url]) return true;
    return false;
};
const getRequested = (url)=>requested[url];
const stashRequested = (url, value)=>{
    requested[url] = value;
};
const clearRequested = (url)=>{
    delete requested[url];
};
export { clearRequested, getRequested, hasRequested, stashRequested };
