import * as React from 'react';
export interface Style {
    [key: string]: string | number | undefined;
}
export interface Props {
    duration: number;
    from: Style;
    to: Style;
    onFinish: () => void;
    start?: boolean;
}
export interface State {
    state: 'from' | 'to';
}
export default class SimpleTween extends React.Component<Props, State> {
    started: boolean;
    static defaultProps: {
        start: boolean;
    };
    state: State;
    componentDidMount(): void;
    componentDidUpdate(): void;
    start: () => void;
    render(): JSX.Element;
}