import * as React from "react";
import { Component } from "react";
import { ITeXProps } from "./ITeXProps";
export declare class TeX extends Component<ITeXProps> {
    private readonly rootRef;
    private readonly textAreaRef;
    private readonly popupRef;
    formula: string;
    isTextAreaFocused: boolean;
    isEditing: boolean;
    componentDidMount(): void;
    componentDidUpdate(): void;
    private syncProps;
    render(): React.ReactNode;
    onKeyDown(event: KeyboardEvent): void;
    onClickOutside(event: MouseEvent): void;
    onClick(): void;
    show(): void;
    hide(): void;
    onFocus(): void;
    onBlur(): void;
    onChange(): void;
    onCancel(): void;
    doCancel(): void;
    onApply(): void;
    doApply(): void;
    static onClickExternalLink(event: React.MouseEvent<HTMLAnchorElement>): void;
}