import { Coin, Pubkey } from "@cosmjs/amino";
import { LcdClient } from "./lcdclient";
/**
 * A Cosmos SDK base account.
 *
 * This type describes the base account representation as returned
 * by the Cosmos SDK 0.37–0.39 LCD API.
 *
 * @see https://docs.cosmos.network/master/modules/auth/02_state.html#base-account
 */
export interface BaseAccount {
    /** Bech32 account address */
    readonly address: string;
    readonly coins: readonly Coin[];
    /**
     * The public key of the account. This is not available on-chain as long as the account
     * did not send a transaction.
     *
     * This was a type/value object in Cosmos SDK 0.37, changed to bech32 in Cosmos SDK 0.38 ([1])
     * and changed back to type/value object in Cosmos SDK 0.39 ([2]).
     *
     * [1]: https://github.com/cosmos/cosmos-sdk/pull/5280
     * [2]: https://github.com/cosmos/cosmos-sdk/pull/6749
     */
    readonly public_key: string | Pubkey | null;
    /**
     * The account number assigned by the blockchain.
     *
     * This was string encoded in Cosmos SDK 0.37, changed to number in Cosmos SDK 0.38 ([1])
     * and changed back to string in Cosmos SDK 0.39 ([2]).
     *
     * [1]: https://github.com/cosmos/cosmos-sdk/pull/5280
     * [2]: https://github.com/cosmos/cosmos-sdk/pull/6749
     */
    readonly account_number: number | string;
    /**
     * The sequence number for replay protection.
     *
     * This was string encoded in Cosmos SDK 0.37, changed to number in Cosmos SDK 0.38 ([1])
     * and changed back to string in Cosmos SDK 0.39 ([2]).
     *
     * [1]: https://github.com/cosmos/cosmos-sdk/pull/5280
     * [2]: https://github.com/cosmos/cosmos-sdk/pull/6749
     */
    readonly sequence: number | string;
}
export interface AuthAccountsResponse {
    readonly height: string;
    readonly result: {
        readonly type: "cosmos-sdk/Account";
        readonly value: BaseAccount;
    };
}
export interface AuthExtension {
    readonly auth: {
        readonly account: (address: string) => Promise<AuthAccountsResponse>;
    };
}
export declare function setupAuthExtension(base: LcdClient): AuthExtension;