import { Middleware } from "../compose.middleware.js";
import { Context } from "../context.js";
import { ChainId, EVMChainId } from "@certusone/wormhole-sdk";
import { ethers } from "ethers";
import * as solana from "@solana/web3.js";
import * as sui from "@mysten/sui.js";
import { CosmWasmClient } from "@cosmjs/cosmwasm-stargate";
export interface Providers {
    evm: Partial<Record<EVMChainId, ethers.providers.JsonRpcProvider[]>>;
    solana: solana.Connection[];
    untyped: Partial<Record<ChainId, UntypedProvider[]>>;
    sui: sui.JsonRpcProvider[];
    sei: CosmWasmClient[];
}
export type UntypedProvider = {
    rpcUrl: string;
};
export interface ProviderContext extends Context {
    providers: Providers;
}
export type ChainConfigInfo = {
    [k in ChainId]: {
        endpoints: string[];
        faucets?: string[];
        websockets?: string[];
    };
};
export interface ProvidersOpts {
    chains: Partial<ChainConfigInfo>;
}
/**
 * providers is a middleware that populates `ctx.providers` with provider information
 * @param opts
 */
export declare function providers(opts?: ProvidersOpts, supportedChains?: string[]): Middleware<ProviderContext>;