import { BigNumber } from 'ethers';
import { BridgeRoute, BridgeRouteV2, BridgeTokenCandidate, FeeConfig, GetBridgeRouteV2Parameters, GetBridgeTokenCandidatesParameters, Query, SynapseModule, SynapseModuleSet } from '../module';
import { UsdtModule } from './usdtModule';
import { ChainProvider } from '../router';
export declare class UsdtModuleSet extends SynapseModuleSet {
    readonly moduleName = "USDT0";
    readonly allEvents: never[];
    readonly isBridgeV2Supported = true;
    modules: {
        [chainId: number]: UsdtModule;
    };
    private estimatedTimeCache;
    constructor(chains: ChainProvider[]);
    getModule(chainId: number): SynapseModule | undefined;
    getEstimatedTime(fromChainId: number, toChainId?: number): number;
    getGasDropAmount(): Promise<BigNumber>;
    getBridgeTokenCandidates({ fromChainId, toChainId, toToken, }: GetBridgeTokenCandidatesParameters): Promise<BridgeTokenCandidate[]>;
    getBridgeRouteV2(params: GetBridgeRouteV2Parameters): Promise<BridgeRouteV2 | undefined>;
    getBridgeRoutes(): Promise<BridgeRoute[]>;
    getFeeData(): Promise<{
        feeAmount: BigNumber;
        feeConfig: FeeConfig;
    }>;
    getDefaultPeriods(): {
        originPeriod: number;
        destPeriod: number;
    };
    applySlippage(originQueryPrecise: Query, destQueryPrecise: Query): {
        originQuery: Query;
        destQuery: Query;
    };
    private getUsdtSendQuote;
    private getUsdtSendZapData;
    private getCacheKey;
}