/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2026 Progress Software Corporation. All rights reserved.
 * Licensed under commercial license. See LICENSE.md in the package root for more information
 *-------------------------------------------------------------------------------------------
 */
import { TableGroupExpandableSettings } from './TableGroupExpandableSettings';
/**
 * The descriptor used to define the expanded state of a group.
 */
export type GroupExpandDescriptor = {
    value: any;
    field: string;
    expanded?: boolean;
    groups?: GroupExpandDescriptor[];
};
/** @hidden */
export declare enum GROUP_EXPAND_ACTION {
    TOGGLE = "GROUP-EXPAND_TOGGLE",
    EXPAND = "GROUP-EXPAND_EXPAND",
    COLLAPSE = "GROUP-EXPAND_COLLAPSE",
    RESET = "GROUP-EXPAND_RESET"
}
/** @hidden */
export type GroupExpandAction = {
    type: GROUP_EXPAND_ACTION;
    group: GroupState;
};
/** @hidden */
export type GroupState = {
    value: any;
    field: string;
    expanded?: boolean;
    parents?: GroupState[];
};
/** @hidden */
export declare const getGroupExpandableOptions: (groupExpandable?: boolean | TableGroupExpandableSettings) => TableGroupExpandableSettings;
/** @hidden */
export declare const findGroupExpand: (groupExpand: GroupExpandDescriptor[], group: GroupState) => GroupExpandDescriptor | undefined;
/** @hidden */
export declare const isExpanded: (groupExpand: GroupExpandDescriptor[], group: GroupState) => boolean;
/** @hidden */
export declare const flatToTree: (flat: GroupState[]) => GroupExpandDescriptor[];
/** @hidden */
export declare const groupExpandReducer: (state: GroupExpandDescriptor[], action: GroupExpandAction, options?: TableGroupExpandableSettings) => GroupExpandDescriptor[];