import * as React from 'react';
import { PropertyPaneWidthMode, type IPropertyPaneData } from './IPropertyPane';
/**
 * Propertypane component props.
 * @internal
 */
export interface IPropertyPaneProps {
    data: IPropertyPaneData;
    propertyPaneWidthMode?: PropertyPaneWidthMode;
    children?: React.ReactNode;
}
/**
 * Propertypane component state.
 */
export interface IPropertyPaneState {
    isSaveButtonEnabled: boolean;
    saveConfirmationMessage: string;
    currentPage: number;
}
/**
 * Page direction.
 */
export declare enum PageDirection {
    back = -1,
    next = 1
}
/**
 * A map to maintain the state(collapsed or not) of all the groups of a PropertyPane page.
 * This dictionary is updated when the user makes any changes to the PropertyPane group.
 */
export interface IPropertyPaneGroupsStateMap {
    [key: string]: boolean;
}
/**
 * A map to maintain the PropertyPaneGroupsState for the PropertyPane pages.
 */
export interface IPropertyPanePagesStateMap {
    [key: string]: IPropertyPaneGroupsStateMap;
}
/**
 * Propertypane component.
 *
 * @internal
 */
export default class PropertyPane extends React.Component<IPropertyPaneProps, IPropertyPaneState> {
    refs: {
        [key: string]: Element;
        propertyPane: HTMLElement;
    };
    private readonly _debounceCallbacks;
    /**
     * properties bag of the web part.
     */
    private _properties;
    private _invalidEntries;
    private _propertyPane;
    private _propertyPaneContent;
    private _currentlyConfiguredWebPartId;
    private _isPropertyPaneReplaced;
    private _isPropertyPaneExpanded;
    /**
     * Dictionary to maintain the PropertyPaneGroupsState for each PropertyPane page.
     */
    private _propertyPanePagesStateMap;
    /**
     * Constructor to instantiate the propertypane component.
     */
    constructor(props: IPropertyPaneProps);
    /**
     * React component lifecycle event.
     * @param props - new props for the component.
     */
    UNSAFE_componentWillReceiveProps(props: IPropertyPaneProps): void;
    componentDidMount(): void;
    componentDidUpdate(props: IPropertyPaneProps): void;
    /**
     * React component lifecycle method.
     * Added this method to avoid, unnecessary renders.
     */
    shouldComponentUpdate(nextProps: IPropertyPaneProps, nextState: IPropertyPaneState): boolean;
    render(): React.ReactElement<{}>;
    /**
     * Renders the description for no configuration scenario.
     */
    private _renderNoConfigurationState;
    private _onChangeTab;
    private get _descriptionId();
    /**
     * Renders page on the property pane.
     */
    private _renderPage;
    private _setContainerDiv;
    /**
     * Private method which gets called when user manually collapses or opens the propertyPane group,
     * when the Propertypane page's displayGroupsAsAccordion prop is true.
     *
     * @param pageNumber - page on which the group's state changed.
     * @param groupName - name of the group.
     * @param isCollapsed - indicates whether the group is collapsed or not.
     */
    private _propertyPaneGroupStateChanged;
    /**
     * Returns if the empty page should be rendered in property pane.
     */
    private get _shouldRenderEmptyPage();
    /**
     * Flips the page based on the direction.
     * @param direction - direction of the page flip. Positive value is forward direction, negative is backwards.
     */
    private _flipPage;
    private _setEntryState;
    private _enableSaveButton;
    private _onChange;
    private _handleSaveClick;
    private _handleCloseClick;
    private _handleBackClick;
    private _raiseEventImpl;
    private _raiseEvent;
    private _onPropertyPaneKeyDown;
    /**
     * Handles the case when the user presses 'Alt + P'(it's the key combination to toggle the PropertyPane focus)
     * while the Propertypane is in focus.
     */
    private _propertyPaneShouldLooseFocus;
    private _setTimeOutForFocus;
    private get _isManagingFocusBySettings();
    private _focusOnFirstActionableElement;
    /**
     * Method to update the tab indexes of all the elements in the root to the given value.
     */
    private _updateTabIndexes;
    /**
     * Resetting the PropertyPane state.
     * @param webPartId - web part id to be configured with.
     */
    private _resetState;
    private _getCssBottomValueForPageContentElement;
}
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