import { AppSharedState } from '../state.models';
import { ActionMapLayerOpacityChange } from '../state.models.actions';
/**
 * Handler for map layer opacity change action
 * @param state AppSharedState
 * @param action ActionMapLayerOpacityChange
 * @returns Updated AppSharedState
 */
export declare const reduceHandlerMapLayerOpacityChange: <T extends AppSharedState = AppSharedState>(state: T, action: ActionMapLayerOpacityChange) => T;