import React from 'react';
import { WithRequiredEngine } from '../types/heartwood.types';
export default class Sizer extends React.PureComponent<SizerProps> {
    private sizerRef;
    private innerRef;
    private static emitResizeTimeout?;
    private handleSizingTimeout?;
    private overflowTimeout?;
    private isFirstRun;
    private shouldShowOverflow;
    constructor(props: SizerProps);
    private get emitter();
    showOverflow(): void;
    hideOverflow(): void;
    componentDidMount(): Promise<void>;
    componentDidUpdate(): void;
    componentWillUnmount(): Promise<void>;
    resize(): boolean;
    private handleSizing;
    private isBehindOverlay;
    private get children();
    private updateOverflow;
    private setOverflow;
    private getShouldShowOverflow;
    private emitDidResizeContent;
    render(): any;
}
type SizerProps = {
    children: any;
    isEnabled?: boolean;
    className?: string;
    shouldStartAtZero?: boolean;
    shouldHideOverflow?: boolean;
    sizerDelayMs?: number;
} & WithRequiredEngine;
export {};