/**
 * Group expansion management module for IOI Table.
 * Handles group expand/collapse operations.
 */
import type { ComputedRef, Ref } from 'vue';
import type { IoiGroupExpandPayload, IoiSemanticEvent, IoiSemanticEventType, IoiTableState } from '../../types';
import type { GroupInfo } from './grouping';
/**
 * Group expansion API returned to the composable.
 */
export interface GroupExpansionApi {
    toggleGroupExpansion: (groupKey: string) => void;
    expandAllGroups: () => void;
    collapseAllGroups: () => void;
    isGroupExpanded: (groupKey: string) => boolean;
}
/**
 * Options for group expansion module.
 */
export interface GroupExpansionOptions {
    onGroupExpand?: (payload: IoiGroupExpandPayload) => void;
}
/**
 * Event emitter function type.
 */
type EventEmitter = <TPayload>(type: IoiSemanticEventType, payload: TPayload) => IoiSemanticEvent<TPayload>;
/**
 * Creates group expansion management functions.
 */
export declare function createGroupExpansion(state: Ref<IoiTableState>, groups: ComputedRef<GroupInfo[]>, options: GroupExpansionOptions, emitEvent: EventEmitter): GroupExpansionApi;
export {};