/// <reference types="node" />
import { EventEmitter } from 'events';
import { InitProviderTypes } from './InitProviderTypes';
import { JsonRpcEngine, JsonRpcId, JsonRpcVersion } from 'json-rpc-engine';
import { IParams, IPayload } from "../bridge/IParams";
import { ISetup } from "../bridge/ISetup";
declare global {
    interface Window {
        coreDapp: any;
    }
}
export declare type funcType<T> = T | undefined;
export interface NonValidatedRequest {
    id?: JsonRpcId;
    jsonrpc?: JsonRpcVersion;
    method: string;
    params?: unknown;
}
declare abstract class InitProvider extends EventEmitter implements InitProviderTypes {
    address: string | undefined;
    provider: string | undefined;
    chainId: string | undefined;
    protected rpcEngine: JsonRpcEngine;
    protected _isConnected: boolean;
    protected constructor(setup: ISetup);
    private _initState;
    isConnected(): boolean;
    _onMessage(listener: string, data: object): void;
    request<T>(args: IPayload): Promise<funcType<T>>;
    protected _rpcRequest(payload: NonValidatedRequest | NonValidatedRequest[], callback: (...args: any[]) => void): void;
    protected _handleAccountsChanged(accounts: (string | undefined)[]): void;
    eth_Accounts(): string[];
    eth_chainId(): string | undefined;
    eth_sign(payload: IParams): void;
    handleChainChange(chainId: string): void;
    protected _onChainChanged(chainId: string): void;
    protected _handleOnDisconnect(): void;
}
export default InitProvider;