/**
 * Copyright (c) 2020-present, Goldman Sachs
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with 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 { type DataProductViewerState } from './DataProductViewerState.js';
import { DATA_PRODUCT_VIEWER_ACTIVITY_MODE } from './DataProductViewerNavigation.js';
export declare const DATA_PRODUCT_WIKI_PAGE_SECTIONS: DATA_PRODUCT_VIEWER_ACTIVITY_MODE[];
type DataProductPageNavigationCommand = {
    anchor: string;
};
export declare class DataProductLayoutState {
    readonly dataProductViewerState: DataProductViewerState;
    currentNavigationZone: string;
    isExpandedModeEnabled: boolean;
    frame?: HTMLElement | undefined;
    header?: HTMLElement | undefined;
    isTopScrollerVisible: boolean;
    private wikiPageAnchorIndex;
    wikiPageNavigationCommand?: DataProductPageNavigationCommand | undefined;
    private wikiPageVisibleAnchors;
    private wikiPageScrollIntersectionObserver?;
    constructor(dataProductViewerState: DataProductViewerState);
    setCurrentNavigationZone(val: string): void;
    get isWikiPageFullyRendered(): boolean;
    registerWikiPageScrollObserver(): void;
    unregisterWikiPageScrollObserver(): void;
    private updatePageVisibleAnchors;
    enableExpandedMode(val: boolean): void;
    setFrame(val: HTMLElement | undefined): void;
    setTopScrollerVisible(val: boolean): void;
    setWikiPageAnchor(anchorKey: string, element: HTMLElement): void;
    unsetWikiPageAnchor(anchorKey: string): void;
    setWikiPageAnchorToNavigate(val: DataProductPageNavigationCommand | undefined): void;
    navigateWikiPageAnchor(): void;
}
export {};
//# sourceMappingURL=DataProductLayoutState.d.ts.map