import type { Logger } from 'pino';
import { type ChainName, type InterchainGasQuote, type MultiProvider, type Token, TokenStandard } from '@hyperlane-xyz/sdk';
/**
 * Fallback gas limit for transferRemote when eth_estimateGas fails.
 * Conservative estimate for cross-chain token transfers.
 */
export declare const FALLBACK_TRANSFER_REMOTE_GAS_LIMIT = 300000n;
/**
 * Cost multiplier for minimum viable transfer.
 * A transfer must be worth at least this multiple of its cost to be worthwhile.
 */
export declare const MIN_VIABLE_COST_MULTIPLIER = 2n;
/**
 * Transfer cost estimate for native token transfers.
 * Contains all cost components needed for transfer decisions.
 */
export interface TransferCostEstimate {
    /** IGP cost for the Hyperlane message */
    igpCost: bigint;
    /** Estimated gas cost for the transferRemote transaction (with buffer) */
    gasCost: bigint;
    /** Token fee cost (native denom only) */
    tokenFeeCost: bigint;
    /** Total cost = igpCost + gasCost + tokenFeeCost */
    totalCost: bigint;
    /** Maximum transferable amount after reserving costs (availableInventory - totalCost) */
    maxTransferable: bigint;
    /** Minimum viable transfer (totalCost * MIN_VIABLE_COST_MULTIPLIER) */
    minViableTransfer: bigint;
    /** Gas quote from adapter (for passing to executeTransferRemote) */
    gasQuote?: InterchainGasQuote;
}
/**
 * Estimate gas for a transferRemote transaction using eth_estimateGas.
 * Falls back to conservative estimate if estimation fails.
 *
 * @param originChain - Chain where transferRemote will be called
 * @param destinationChain - Chain where the Hyperlane message goes
 * @param amount - Amount to transfer
 * @param multiProvider - MultiProvider for chain access
 * @param warpCoreMultiProvider - MultiProvider from WarpCore for adapter access
 * @param getTokenForChain - Function to get token for a chain
 * @param inventorySigner - Address of the inventory signer
 * @param logger - Logger instance
 * @returns Estimated gas limit for the transaction
 */
export declare function estimateTransferRemoteGas(originChain: ChainName, destinationChain: ChainName, amount: bigint, multiProvider: MultiProvider, warpCoreMultiProvider: any, getTokenForChain: (chain: ChainName) => Token | undefined, inventorySigner: string, logger: Logger): Promise<bigint>;
/**
 * Calculate all transfer costs for a transferRemote operation.
 * Consolidates IGP costs, gas costs, and derived values (max transferable, min viable).
 *
 * @param originChain - Chain to transfer from (where transferRemote is called)
 * @param destinationChain - Chain to transfer to (Hyperlane message destination)
 * @param availableInventory - Available token balance on origin chain
 * @param requestedAmount - Requested transfer amount
 * @param multiProvider - MultiProvider for chain access
 * @param warpCoreMultiProvider - MultiProvider from WarpCore for adapter access
 * @param getTokenForChain - Function to get token for a chain
 * @param inventorySigner - Address of the inventory signer
 * @param isNativeTokenStandard - Function to check if token standard is native
 * @param logger - Logger instance
 * @returns Cost estimate with all components and derived values
 */
export declare function calculateTransferCosts(originChain: ChainName, destinationChain: ChainName, availableInventory: bigint, requestedAmount: bigint, multiProvider: MultiProvider, warpCoreMultiProvider: any, getTokenForChain: (chain: ChainName) => Token | undefined, inventorySigner: string, isNativeTokenStandard: (standard: TokenStandard) => boolean, logger: Logger): Promise<TransferCostEstimate>;
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