/**
 * Options a `DyNTS_DataService<T>.compareData()` method-hoz.
 *
 * - Ha `fields` is undefined, a method auto-discover-elt fielden iter
 *   (mindket objektum kulcs-unioja minus a `DyFM_Metadata` skip-list).
 * - Ha `fields` adott, KIZAROLAG a felsorolt fielden iter (a skip-list
 *   IGNORALODIK — explicit fields override).
 * - `customComparators` per-field override a default deep-equal-en kivul.
 */
export interface DyNTS_CompareData_Options<T> {
    /**
     * Specifikus fields-szubset osszehasonlitasra.
     *
     * Megadasaval az auto-discovery is ki van iktatva (a metadata skip-list
     * NEM ervenyes — ha kifejezetten `_id`-t kerunk, azt is osszehasonlitja).
     */
    fields?: (keyof T)[];
    /**
     * Per-field custom comparator. Ha a field nincs jelen a map-ben, a default
     * deep-equal hasznalt. A custom function `true`-val signal-ozza az equality-t.
     *
     * Hasznos pl. set-equality array-ekre (`arraySetEqual`), case-insensitive
     * string compare-re, vagy normalizalt date-compare-re.
     */
    customComparators?: Partial<Record<keyof T, (a: any, b: any) => boolean>>;
}
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