import type { LaneId, MessageNonce } from '@darwinia/types/interfaces/bridges';
import type { Struct, Vec } from '@polkadot/types-codec';
import type { ITuple } from '@polkadot/types-codec/types';
import type { Balance } from '@polkadot/types/interfaces';
/** @name Fee */
export interface Fee extends Struct {
    readonly amount: Balance;
}
/** @name InProcessOrders */
export interface InProcessOrders extends Struct {
    readonly orders: Vec<ITuple<[LaneId, MessageNonce]>>;
}
export declare type PHANTOM_FEE = 'fee';