/**
 * Nymph Config
 */
export interface Config {
    /**
     * Cache recently retrieved entities to speed up database queries. Uses more
     * memory.
     */
    cache: boolean;
    /**
     * Cache entities after they're accessed this many times.
     */
    cacheThreshold: number;
    /**
     * The number of recently retrieved entities to cache. If you're running out
     * of memory, try lowering this value. 0 means unlimited.
     */
    cacheLimit: number;
    /**
     * When querying for multiple entities with NymphREST, if the list is empty,
     * return a 404 error.
     */
    emptyListError: boolean;
    /**
     * Whether to update the mdate property when saving an entity.
     *
     * You should probably only set this to false if you're doing migrations. Some
     * things depend on having updated mdates (like conflict detection to avoid
     * lost updates).
     *
     * If you set this to a number, that amount of milliseconds will be added to
     * the mdate on any entities that are saved. This should solve the lost update
     * problem when set to a small number (~1000), and keep mdates relatively
     * unchanged.
     */
    updateMDate: boolean | number;
    /**
     * A function to log info messages. By default, uses the `debug` package.
     */
    debugInfo: (source: string, message: string) => void;
    /**
     * A function to log debug messages. By default, uses the `debug` package.
     */
    debugLog: (source: string, message: string) => void;
    /**
     * A function to log error messages. By default, uses the `debug` package.
     */
    debugError: (source: string, message: string) => void;
}