import { SELECTING_KEYS } from './constants';
import { ObjectForExtending, SelectingRowConfig } from '../types';

export declare const flatten: <RowType extends ObjectForExtending>(arr: RowType[], getChildren: (item: RowType) => RowType[] | undefined, getParent: (item: RowType) => RowType | null, level?: number, parent?: RowType | null, customProps?: (level: number, row: RowType, parent: RowType | null) => ObjectForExtending, filterCb?: (level: number, row: RowType, parent: RowType | null) => boolean) => Array<RowType & {
    [SELECTING_KEYS.level]: number;
    [SELECTING_KEYS.parent]: RowType | null;
    customProps: ObjectForExtending;
}>;
export interface ObjectWithParentAndId {
    id: string | number;
    parent?: {
        id: string | number;
        parent?: ObjectWithParentAndId;
    };
}
export declare const getAllParents: <T extends ObjectWithParentAndId>(item: T, flattenedOptions: T[], rowKeyGetter: (row: ObjectForExtending) => string | number) => {
    allParents: Map<string | number, ObjectForExtending>;
};
export declare const getCustomOrDefaultSelectingRules: <RowType, RowIdType extends string | number>(selectingRules: SelectingRowConfig<RowType, RowIdType>['selectingRules']) => {
    levels: number | "all" | number[] | ((lvl: number) => boolean);
};