import * as React from "react";
import { IOWidget } from "../shared/widget";
export interface ShouldComponentUpdateProps<s> {
    p: (prev: s, next: s) => boolean;
    input: s;
    widget_s: IOWidget<s, s>;
    on_done_s: (output_s: s) => void;
}
export interface ShouldComponentUpdateState<s> {
}
export declare class ShouldComponentUpdate<s> extends React.Component<ShouldComponentUpdateProps<s>, ShouldComponentUpdateState<s>> {
    constructor(props: ShouldComponentUpdateProps<s>, context: any);
    shouldComponentUpdate(nextProps: ShouldComponentUpdateProps<s>): boolean;
    render(): JSX.Element;
}
export declare let shouldComponentUpdate: <s>(p: (prev: s, next: s) => boolean) => (widget_s: IOWidget<s, s>) => IOWidget<s, s>;