import { AssetAmount, FeeConfig, SwapCtx, TransferCtx } from '@galacticcouncil/xc-core';
export declare class FeeSwap {
    readonly ctx: TransferCtx;
    constructor(ctx: TransferCtx);
    get asset(): AssetAmount;
    get dex(): import("@galacticcouncil/xc-core").Dex;
    get destFee(): AssetAmount;
    /** Chain the destination fee is held & spent on, matching {@link destFee}. */
    get destFeeChain(): import("@galacticcouncil/xc-core").AnyChain;
    get destFeeBalance(): AssetAmount;
    get feeBalance(): AssetAmount;
    /**
     * Fee swap context
     *
     * @param fee - source chain fee
     * @returns source fee swap context
     */
    getSwap(fee: AssetAmount): Promise<SwapCtx | undefined>;
    /**
     * Swap source fee only if explicitly enabled in route
     * fee config
     *
     * @param fee - source chain fee config
     * @returns true if supported, otherwise false
     */
    isSwapSupported(cfg?: FeeConfig): boolean;
    /**
     * Destination fee swap context
     *
     * Swap is enabled if following applies:
     *  - account has not enough destination fee balance
     *  - account has enough source fee reserves (double the fee) to buy required asset
     *
     * Note: Slippage can be set up to 100% in builder config (see maxAmountIn)
     *
     * @param fee - source chain fee
     * @returns destination fee swap context
     */
    getDestinationSwap(fee: AssetAmount): Promise<SwapCtx | undefined>;
    /**
     * Existential deposit of the destination fee asset, on the chain holding it.
     *
     * Parachains resolve their own min (dynamic read or static assetsData min);
     * other chains expose only the static value. Mirrors
     * `DestFeeValidation.getMin` - the two have to agree, or the swap buys an
     * amount the validation then rejects.
     */
    private getDestFeeMin;
    /**
     * Swap destination fee only if:
     *  - transfer asset insufficient
     *  - destination fee asset is different than fee asset
     *
     * @param fee - source chain fee
     * @returns true if supported, otherwise false
     */
    isDestinationSwapSupported(fee: AssetAmount): boolean;
}