/*!
 * Copyright (c) 2022-present, Okta, Inc. and/or its affiliates. All rights reserved.
 * The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (the "License.")
 *
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and limitations under the License.
 */
import { PropsWithChildren } from "react";
import { ContrastColors } from "../createContrastColors.js";
import { MessageBus } from "../tools/createMessageBus.js";
import { ContrastMode } from "../useContrastMode.js";
export declare const defaultCloseSideNavMessageBus: MessageBus<void>;
export declare const defaultSubscribeToCloseRightSideMenu: () => () => void;
export type UiShellColors = {
    /**
     * Custom background color for the app content area.
     */
    appBackgroundColor: string;
    /**
     * Custom background color for the side nav area.
     */
    sideNavBackgroundColor: string;
    /**
     * Custom color for fonts and other contrasted colors in the side nav area. Other contrast colors are derived from this one.
     *
     * If not passed, it gets computed from Odyssey.
     */
    sideNavBackgroundContrastColor?: string;
    sideNavContrastColors?: ContrastColors;
    /**
     * Custom background color for the top nav area.
     */
    topNavBackgroundColor: string;
};
export type UiShellContext = {
    /**
     * This is a callback that publishes a change to all subscribers listening for when to close the side nav.
     */
    closeSideNavMenu: MessageBus<void>["publish"];
    /**
     * This is a callback that provides a subscriber callback to listen for changes to state. It allows UI Shell to listen for a publisher that asks us to close the right-side menu.
     */
    subscribeToCloseRightSideMenu: MessageBus<void>["subscribe"];
    /**
     * This is a callback that provides a subscriber callback to listen for changes to state. It allows UI Shell to listen for a publisher that asks us to close the side nav.
     */
    subscribeToCloseSideNavMenu: MessageBus<void>["subscribe"];
} & UiShellColors;
export declare const useUiShellContext: () => UiShellContext | undefined;
export type UiShellProviderProps = {
    /**
     * Sets either a gray or white background color for the app content area.
     */
    appBackgroundContrastMode?: ContrastMode;
} & Partial<UiShellContext>;
declare const MemoizedUiShellProvider: import("react").MemoExoticComponent<({ appBackgroundColor, appBackgroundContrastMode, children, closeSideNavMenu, sideNavBackgroundColor, sideNavBackgroundContrastColor, subscribeToCloseRightSideMenu, subscribeToCloseSideNavMenu, topNavBackgroundColor, }: PropsWithChildren<UiShellProviderProps>) => import("@emotion/react/jsx-runtime").JSX.Element>;
export { MemoizedUiShellProvider as UiShellProvider };
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