/// <reference types="react" />
import * as React from 'react';
import { ApolloError } from 'apollo-client';
import { DocumentNode } from 'graphql';
import { OperationVariables } from './types';
export interface SubscriptionResult<TData = any> {
    loading: boolean;
    data?: TData;
    error: ApolloError;
}
export interface SubscriptionProps {
    query: DocumentNode;
    variables?: OperationVariables;
    children: (result: any) => React.ReactNode;
}
export interface SubscriptionState<TData = any> {
    loading: boolean;
    data?: TData;
    error?: ApolloError;
}
declare class Subscription<TData = any> extends React.Component<SubscriptionProps, SubscriptionState<TData>> {
    static contextTypes: {
        client: any;
    };
    private client;
    private queryObservable;
    private querySubscription;
    constructor(props: SubscriptionProps, context: any);
    componentDidMount(): void;
    componentWillReceiveProps(nextProps: any, nextContext: any): void;
    componentWillUnmount(): void;
    render(): React.ReactNode;
    private initialize;
    private startSubscription;
    private getInitialState;
    private updateCurrentData;
    private updateError;
    private endSubscription;
}
export default Subscription;