import { ObjectForExtending } from '../types';
import { KeyText } from '../feature-key-text/types';

export declare function getLvlFromTreeId(treeId: string | undefined): number;
export declare function getTreeIdAndLvlOfRow<RowType extends ObjectForExtending>(row: RowType): {
    treeId: string | undefined;
    lvl: number;
};
export declare function getHasArrow(isColumnWithArrow: boolean | ((props: {
    keyText: KeyText;
}) => boolean) | undefined, keyText: KeyText): boolean;
export declare const isTreeFlattenRow: <Row extends ObjectForExtending>(r: Row) => boolean;
export declare const isSubRow: <Row extends ObjectForExtending>(r: Row) => boolean;
export declare const deleteSubRowKeys: <Row extends ObjectForExtending>(r: Row) => void;
export declare const deleteTreeFlattenKeys: <Row extends ObjectForExtending>(r: Row) => void;