import { ProviderInterface } from '@polkadot/rpc-provider/types';
import { Text } from '@polkadot/types';
import { BlockHash, ChainProperties, Header, Health } from '@polkadot/types/interfaces';
import React from 'react';
/**
 * System-wide meta-information about the chain (nothing from its state)
 */
export interface SystemContextType {
    chain?: Text;
    genesisHash?: BlockHash;
    header?: Header;
    health?: Health;
    isSystemReady: boolean;
    name?: Text;
    properties?: ChainProperties;
    version?: Text;
}
export declare const SystemContext: React.Context<SystemContextType>;
export interface SystemContextProviderProps {
    children?: React.ReactElement;
    provider?: ProviderInterface;
}
export declare function SystemContextProvider(props: SystemContextProviderProps): React.ReactElement;
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