declare global {
    interface Window {
        __loadedScriptsInternal?: CachedScripts;
        __loadedScriptsUpdatersInternal?: CachedScriptsUpdaters;
        __loadedScripts: CachedScripts;
        __loadedScriptsUpdaters: CachedScriptsUpdaters;
    }
}
export interface CachedScript {
    url: string;
    loading: boolean;
    failed: boolean;
    scriptCreated: boolean;
    failureEvent?: ErrorEvent;
}
type CachedScriptUpdater = {
    (script: CachedScript): void;
};
interface CachedScriptsUpdaters {
    [key: string]: CachedScriptUpdater[];
}
interface CachedScripts {
    [key: string]: CachedScript;
}
export declare function getFromWindowCache(url: string): CachedScript;
export declare function updateCachedScript(url: string, updatedScript: Partial<CachedScript>): CachedScript;
export declare function addScriptUpdater(url: string, updater: CachedScriptUpdater): void;
export declare function removeScriptUpdater(url: string, updater: CachedScriptUpdater): void;
export declare function retrieveCachedScript(source: string, scriptAttributes?: Record<string, string>): CachedScript;
export {};