import { RouterType } from '../consts';
import BN from 'bn.js';
export declare function isRequestedRouterType(requestedFilterSet: Set<RouterType>, routerType: string): boolean;
export declare function filterRouterTypes(routerTypes: RouterType[] | undefined, includeRfq: boolean): Set<RouterType>;
export declare function safeBNToNumber(value: BN): number;
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