import { OptionValue } from '../types/shared-types';
export interface DualListSelectState<T = OptionValue> {
    lastLeftClicked: T | undefined;
    selectedLeftValues: T[];
    lastRightClicked: T | undefined;
    selectedRightValues: T[];
    sortLeftDesc: boolean;
    sortRightDesc: boolean;
    filterOptions: string;
    filterValue: string;
}
export declare const initialState: DualListSelectState;
export type DualListSelectAction<T = OptionValue> = {
    type: 'setSelectedValue';
    value: T;
    values: T[];
    isRight: boolean;
} | {
    type: 'setFilterValue';
    value: string;
} | {
    type: 'setFilterOptions';
    value: string;
} | {
    type: 'sortValue';
} | {
    type: 'sortOptions';
} | {
    type: 'clearRightValues';
} | {
    type: 'clearLeftOptions';
} | {
    type: 'clearLeftValues';
};
declare const reducer: <T = OptionValue>(state: DualListSelectState<T>, action: DualListSelectAction<T>) => DualListSelectState<T>;
export default reducer;