import React from 'react';
import { ClientConn } from '@ticlo/core/editor';
export declare abstract class DataRendererItem<T = any> {
    _renderers: Set<PureDataRenderer<any, any> & T>;
    attachedRenderer(renderer: PureDataRenderer<any, any> & T): void;
    detachRenderer(renderer: PureDataRenderer<any, any> & T): void;
    onAttached(): void;
    onDetached(): void;
    abstract getConn(): ClientConn;
    forceUpdate(): void;
}
export interface DataRendererProps<T extends DataRendererItem> {
    item: T;
}
export declare abstract class PureDataRenderer<P extends DataRendererProps<any>, S> extends React.PureComponent<P, S> {
    _rendering: boolean;
    _mounted: boolean;
    constructor(props: P);
    componentDidMount(): void;
    componentDidUpdate(prevProps: P): void;
    componentWillUnmount(): void;
    render(): React.ReactNode;
    safeSetState<K extends keyof S>(state: Pick<S, K> | S | null, callback?: () => void): void;
    abstract renderImpl(): React.ReactNode;
    forceUpdate: () => void;
}