import { Component, ReactElement } from 'react';
import { RunnerOptions, Scope } from './types';
export type RunnerProps = RunnerOptions & {
    /** callback on code be rendered, returns error message when code is invalid.
     * `hasElement` reports whether real (non-null) content was produced. */
    onRendered?: (error?: Error, hasElement?: boolean) => void;
};
type RunnerState = {
    element: ReactElement | null;
    error: Error | null;
    prevCode: string | null;
    prevScope: Scope | undefined;
};
export declare class Runner extends Component<RunnerProps, RunnerState> {
    state: RunnerState;
    static getDerivedStateFromProps(props: RunnerProps, state: RunnerState): Partial<RunnerState> | null;
    static getDerivedStateFromError(error: Error): Partial<RunnerState>;
    componentDidMount(): void;
    shouldComponentUpdate(nextProps: RunnerProps, nextState: RunnerState): boolean;
    componentDidUpdate(): void;
    render(): ReactElement<unknown, string | import("react").JSXElementConstructor<any>> | null;
}
export {};