import * as React from "react";
import Element = React.JSX.Element;
import { Component } from "react";
import { IAlternatorPropertySet } from "./IAlternatorPropertySet";
import { IAlternatorState } from "./IAlternatorState";
import { Alternate } from "./Alternate";
export declare class Alternator extends Component<IAlternatorPropertySet, IAlternatorState> {
    private alternates;
    constructor(props: IAlternatorPropertySet);
    render(): Element;
    componentDidMount(): void;
    register(alternate: Alternate): void;
    setCurrent(id: string): void;
    hasAlternate(id: string): boolean;
    private initializeCurrentIfNeeded;
}