import type { Client, HexString } from '../types/index.js';
export declare function addEstimateBuffer(estimate: bigint): bigint;
export declare function estimateBatchBridgeFee(params: {
    publicClient: Client;
    gasService: HexString;
    multiAdapter: HexString;
    gasMessagePayloads: HexString[];
    toCentrifugeId: number;
}): Promise<bigint>;
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