import { AssertSortList, SortList } from './SortList.js';
export type StamhoofdAndFilter<T = StamhoofdCompareValue> = {
    $and: StamhoofdFilter<T>;
};
export type StamhoofdOrFilter<T = StamhoofdCompareValue> = {
    $or: StamhoofdFilter<T>;
};
export type StamhoofdNotFilter<T = StamhoofdCompareValue> = {
    $not: StamhoofdFilter<T>;
};
/**
 * Magic values help with storage of filters and maintaining their meaning
 */
export type StamhoofdMagicValues = '$now';
export type StamhoofdCompareValue = string | number | Date | null | boolean | {
    $: StamhoofdMagicValues;
};
export declare const FilterWrapperMarker: unique symbol;
export type WrapperFilter = StamhoofdFilter<StamhoofdCompareValue | typeof FilterWrapperMarker>;
export type StamhoofdKeyFilterValue<T = StamhoofdCompareValue> = {
    $eq: T;
} | {
    $in: T[];
} | {
    $neq: T;
} | {
    $gt: T;
} | {
    $lt: T;
} | {
    $contains: string;
} | {
    $length: StamhoofdFilter<T>;
} | {
    $elemMatch: StamhoofdFilter<T>;
} | T;
export type StamhoofdKeyFilter<T = StamhoofdCompareValue> = {
    [k in string]: StamhoofdFilter<T>;
};
export type StamhoofdFilter<T = StamhoofdCompareValue> = StamhoofdAndFilter<T> | StamhoofdOrFilter<T> | StamhoofdNotFilter<T> | StamhoofdKeyFilterValue<T> | StamhoofdKeyFilter<T> | StamhoofdFilter<T>[];
export declare function isEmptyFilter(filter: StamhoofdFilter): boolean;
export declare function mergeFilters(filters: (StamhoofdFilter | null)[], type?: '$and' | '$or'): StamhoofdFilter | null;
export declare function assertSort(list: SortList, assert: AssertSortList): SortList;
export declare function isEqualFilter(a: StamhoofdFilter | null, b: StamhoofdFilter | null): boolean;
export declare function wrapFilter(filter: StamhoofdFilter, wrap: WrapperFilter): StamhoofdFilter;
/**
 * Essentially, this checks if filter and wrap are the same, but ignoring comparison if wrap is FilterWrapperMarker
 * If multiple FilterWrapperMarker are used, their value should be the same - otherwise undefined is returned
 * Returns the filter at FilterWrapperMarker if it is found
 * If no FilterWrapperMarker is found, the filter is returned if it is the same as wrap
 */
export declare function unwrapFilter(filter: StamhoofdFilter, wrap: WrapperFilter): {
    match: boolean;
    markerValue?: StamhoofdFilter | undefined;
    leftOver?: StamhoofdFilter;
};
export declare function unwrapFilterByPath(filter: StamhoofdFilter, keyPath: (string | number)[]): StamhoofdFilter | null;
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