import React, { PureComponent } from 'react';
export interface TimeoutType {
    enter: number;
    exit: number;
}
interface TransitionProps {
    children: any;
    classNames: string;
    in: boolean;
    mountOnEnter?: boolean;
    timeout: number | TimeoutType;
    unmountOnExit?: boolean;
    onEnter?: (node: Node) => void;
    onEntered?: (node: Node) => void;
    onEntering?: (node: Node) => void;
    onExit?: (node: Node) => void;
    onExited?: (node: Node) => void;
    onExiting?: (node: Node) => void;
}
interface TransitionState {
    mount?: boolean;
    state?: string;
    appear?: boolean | null;
}
export declare class UnifyCSSTransition extends PureComponent<TransitionProps, TransitionState> {
    constructor(props: any);
    static propTypes: {
        children: import("prop-types").Validator<any>;
        classNames: import("prop-types").Validator<string>;
        in: import("prop-types").Validator<boolean>;
        mountOnEnter: import("prop-types").Requireable<boolean>;
        timeout: import("prop-types").Validator<number | import("prop-types").InferProps<{
            enter: import("prop-types").Requireable<number>;
            exit: import("prop-types").Requireable<number>;
        }>>;
        unmountOnExit: import("prop-types").Requireable<boolean>;
        onEnter: import("prop-types").Requireable<(...args: any[]) => any>;
        onEntered: import("prop-types").Requireable<(...args: any[]) => any>;
        onEntering: import("prop-types").Requireable<(...args: any[]) => any>;
        onExit: import("prop-types").Requireable<(...args: any[]) => any>;
        onExited: import("prop-types").Requireable<(...args: any[]) => any>;
        onExiting: import("prop-types").Requireable<(...args: any[]) => any>;
    };
    static defaultProps: {
        in: boolean;
        mountOnEnter: boolean;
        timeout: number;
        unmountOnExit: boolean;
        onEnter: () => void;
        onEntered: () => void;
        onEntering: () => void;
        onExit: () => void;
        onExited: () => void;
        onExiting: () => void;
    };
    private childRef;
    private transitionTimeout;
    componentDidUpdate(prevProps: any, prevState: any): void;
    componentWillUnmount(): void;
    render(): React.FunctionComponentElement<{
        innerRef: any;
    }> | React.FunctionComponentElement<{
        ref: any;
    }> | null;
}
export default UnifyCSSTransition;