import type { Address } from "viem";
import type { WalletService } from "./wallet.js";
export interface AddCollateralParams {
    bammAddress: Address;
    collateralToken?: Address;
    collateralTokenSymbol?: string;
    amount: string;
}
export declare class AddCollateralService {
    private walletService;
    constructor(walletService: WalletService);
    execute(params: AddCollateralParams): Promise<{
        txHash: string;
    }>;
}