import { AppSharedState } from '../state.models';
import { OneOfStateActions } from '../state.models.actions';
/**
 * Reducer handler to add a new mapSet to the state dynamically.
 *
 * @param {AppSharedState} state - The current application shared state.
 * @param {OneOfStateActions} action - The dispatched action, expects payload to be a MapSetModel.
 * @returns {AppSharedState} The new state with the added mapSet.
 * @throws {Error} If payload is not provided.
 */
export declare const reduceHandlerMapSetAddMapSet: <T extends AppSharedState = AppSharedState>(state: T, action: OneOfStateActions) => T;