import * as React from 'react';
export interface ISetupFunction<R extends Record<string, any>> {
    (): R;
}
export declare type ReactLike = Pick<typeof React, 'useState' | 'useMemo' | 'useEffect' | 'useRef' | 'useCallback'>;
export default function observer<P, T extends React.FunctionComponent<P> = React.FunctionComponent<P>>(reactLike: ReactLike, componentFn: T): T;
export default function observer<P, T extends React.FunctionComponent<P> = React.FunctionComponent<P>>(reactLike: ReactLike, defaultProps: P, componentFn: T): T;
export default function observer<P, SR extends Record<string, any> = Record<string, any>, T extends React.FunctionComponent<P> = React.FunctionComponent<P>>(reactLike: ReactLike, componentFn: (setupResult: SR, props: Parameters<T>[0], context?: Parameters<T>[1]) => ReturnType<T>, setupFn: ISetupFunction<SR>): T;
export default function observer<P, SR extends Record<string, any> = Record<string, any>, T extends React.FunctionComponent<P> = React.FunctionComponent<P>>(reactLike: ReactLike, defaultProps: P, componentFn: (setupResult: SR, props: Parameters<T>[0], context?: Parameters<T>[1]) => ReturnType<T>, setupFn: ISetupFunction<SR>): T;