import { CosmWasmClient } from '@cosmjs/cosmwasm-stargate';
import { CometClient } from '@cosmjs/tendermint-rpc';
import { Coin } from '@cosmjs/proto-signing';
import { StargateClient } from '@cosmjs/stargate';
import { QuerySpendableBalanceByDenomResponse } from 'cosmjs-types/cosmos/bank/v1beta1/query';
/**
 * Nolus Client service class.
 *
 * Usage:
 *
 * ```ts
 * import { NolusClient } from '@nolus/nolusjs';
 *
 * NolusClient.setInstance(tendermintRpc);
 * ```
 */
export declare class NolusClient {
    private static instance;
    protected cosmWasmClient: Promise<CosmWasmClient> | undefined;
    protected tmClient: Promise<CometClient> | undefined;
    protected stargateClient: Promise<StargateClient> | undefined;
    private constructor();
    static getInstance(): NolusClient;
    static setInstance(tendermintRpc: string): void;
    getCosmWasmClient(): Promise<CosmWasmClient>;
    getStargateClient(): Promise<StargateClient>;
    getTendermintClient(): Promise<CometClient>;
    getChainId: () => Promise<string>;
    getBalance(address: string, denom: string): Promise<Coin>;
    getSpendableBalance(address: string, denom: string): Promise<QuerySpendableBalanceByDenomResponse>;
    getBlockHeight(): Promise<number>;
}