import type { ReactElement, ReactNode, Ref } from '../core';
export declare const REACT_MEMO_TYPE: unique symbol;
export declare const REACT_FORWARD_REF_TYPE: unique symbol;
export declare const REACT_LAZY_TYPE: unique symbol;
export type ExoticComponent<P> = ((props: P & {
    children?: ReactNode;
    ref?: any;
    key?: any;
}) => ReactElement | null) & {
    readonly $$typeof: symbol;
};
export declare function memo<P>(type: (props: P) => any, areEqual?: (prev: Readonly<P>, next: Readonly<P>) => boolean): ExoticComponent<P>;
export declare function forwardRef<R, P = {}>(render: (props: P, ref: {
    current: R | null;
} | ((r: R | null) => void) | null) => any): ExoticComponent<P & {
    ref?: Ref<R>;
}>;
export declare function lazy<T extends {
    default: any;
}>(ctor: () => Promise<T>): ExoticComponent<T['default'] extends (props: infer P) => any ? P : {}>;