import type { Address } from "viem";
import type { WalletService } from "./wallet.js";
export interface LendParams {
    bammAddress: Address;
    amount: string;
}
export declare class LendService {
    private walletService;
    constructor(walletService: WalletService);
    /**
     * Lend Fraxswap LP tokens to the BAMM contract.
     * Reads the LP token address from bamm.pair(), approves the BAMM to spend them if needed,
     * and calls bamm.mint() to deposit.
     */
    execute(params: LendParams): Promise<{
        txHash: string;
    }>;
}