/** @packageDocumentation
 * @module Widget
 */
import * as React from "react";
import { EventEmitter } from "../base/Event";
import { TabState } from "../base/NineZoneState";
/** @internal */
export interface WidgetContentManagerProps {
    children?: React.ReactNode;
}
/** @internal */
export declare const WidgetContentManager: React.NamedExoticComponent<WidgetContentManagerProps>;
declare type WidgetContentContainers = {
    readonly [id in TabState["id"]]: Element | null | undefined;
};
/** @internal */
export declare const WidgetContentContainersContext: React.Context<WidgetContentContainers>;
/** @internal */
export interface WidgetContentManagerContextArgs {
    setContainer(tabId: TabState["id"], container: Element | null): void;
    onSaveTransientState: EventEmitter<(tabId: TabState["id"]) => void>;
    onRestoreTransientState: EventEmitter<(tabId: TabState["id"]) => void>;
}
/** @internal */
export declare const WidgetContentManagerContext: React.Context<WidgetContentManagerContextArgs>;
export {};
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