import * as React from 'react';
import { ICalloutProps } from './Callout.types';
import { ICalloutPositionedInfo } from '../../utilities/positioning';
export interface ICalloutState {
    positions?: ICalloutPositionedInfo;
    slideDirectionalClassName?: string;
    calloutElementRect?: ClientRect;
    heightOffset?: number;
}
export declare class CalloutContentBase extends React.Component<ICalloutProps, ICalloutState> {
    static defaultProps: {
        preventDismissOnLostFocus: boolean;
        preventDismissOnScroll: boolean;
        preventDismissOnResize: boolean;
        isBeakVisible: boolean;
        beakWidth: number;
        gapSpace: number;
        minPagePadding: number;
        directionalHint: 7;
    };
    private _classNames;
    private _didSetInitialFocus;
    private _hostElement;
    private _calloutElement;
    private _targetWindow;
    private _bounds;
    private _positionAttempts;
    private _target;
    private _setHeightOffsetTimer;
    private _hasListeners;
    private _maxHeight;
    private _blockResetHeight;
    private _isMouseDownOnPopup;
    private _async;
    private _disposables;
    constructor(props: ICalloutProps);
    componentDidUpdate(): void;
    shouldComponentUpdate(newProps: ICalloutProps, newState: ICalloutState): boolean;
    UNSAFE_componentWillMount(): void;
    componentWillUnmount(): void;
    UNSAFE_componentWillUpdate(newProps: ICalloutProps): void;
    componentDidMount(): void;
    render(): JSX.Element | null;
    dismiss: (ev?: Event | React.KeyboardEvent<HTMLElement> | React.MouseEvent<HTMLElement, MouseEvent> | undefined) => void;
    protected _dismissOnScroll: (ev: Event) => void;
    protected _dismissOnResize: (ev: Event) => void;
    protected _dismissOnLostFocus: (ev: Event) => void;
    protected _setInitialFocus: () => void;
    protected _onComponentDidMount: () => void;
    private _dismissOnClickOrScroll;
    private _addListeners;
    private _removeListeners;
    private _updateAsyncPosition;
    private _getBeakPosition;
    private _updatePosition;
    private _getBounds;
    private _getMaxHeight;
    private _arePositionsEqual;
    private _comparePositions;
    private _setTargetWindowAndElement;
    private _setHeightOffsetEveryFrame;
    private _didPositionPropsChange;
    private _getTarget;
    private _mouseDownOnPopup;
    private _mouseUpOnPopup;
}