import { ActiveMapTool, IViewerReducerState } from "../api/common";
import { ViewerAction } from '../actions/defs';
export declare const VIEWER_INITIAL_STATE: IViewerReducerState;
export declare function viewerReducer(state: IViewerReducerState | undefined, action: ViewerAction): IViewerReducerState | {
    size: number[];
    busyCount: number;
    tool: ActiveMapTool;
    featureTooltipsEnabled: boolean;
};
