/**
 * PanelController
 *
 * Manages panel visibility and state, including enforcement of single left panel rule.
 * Handles panel permissions and panel toggle events.
 */
import type { ViewerStateStores } from "../viewerState";
import type { ViewerDerivedStores } from "../viewerDerived";
import type { ViewerEventEmitter } from "../../../core/types/events";
export type ViewerPanel = "thumbnails" | "collection" | "contents" | "search" | "metadata" | "annotations" | "tools" | "settings" | "layers";
export type PanelControllerConfig = {
    state: ViewerStateStores;
    derived: ViewerDerivedStores;
    emitEvent: ViewerEventEmitter;
    emitStateChange: () => void;
    initialOpen?: boolean;
    initialActivePanel?: string;
};
export type PanelController = {
    setPanelOpen: (panel: ViewerPanel, open: boolean) => void;
    setupPanelEffects: () => (() => void)[];
};
export declare const createPanelController: ({ state, derived: derivedStores, emitEvent, emitStateChange, initialOpen, initialActivePanel, }: PanelControllerConfig) => PanelController;