import { StdFee, DeliverTxResponse, QueryClient, ProtobufRpcClient, SigningStargateClient } from '@cosmjs/stargate';
import { SigningCosmWasmClient } from '@cosmjs/cosmwasm-stargate';
import { SigningConnectionOptions } from './types';
export interface TxClient {
    readonly sign: (signerAddress: string, msg: any, fee: StdFee, memo: string) => Promise<Uint8Array>;
    readonly signCosmWasm: (signerAddress: string, msg: any, fee: StdFee, memo: string) => Promise<Uint8Array>;
    readonly broadcast: (signedTxBytes: Uint8Array) => Promise<DeliverTxResponse>;
    readonly broadcastCosmWasm: (signedTxBytes: Uint8Array) => Promise<DeliverTxResponse>;
    signingClient: SigningStargateClient;
    signingCosmWasmClient: SigningCosmWasmClient;
}
export declare function createBitsongProtobufRpcClient(base: QueryClient, desiredHeight?: number): ProtobufRpcClient;
export declare function setupQueryExtension(connection: SigningConnectionOptions): Promise<{
    cosmWasmClient: import("@cosmjs/cosmwasm-stargate").CosmWasmClient;
}>;
export declare function setupTxExtension(connection: SigningConnectionOptions): Promise<TxClient>;