/**
 * Balance fetching operations for liquidity manager.
 */
import type { EvmReadProvider } from "../../types/evm.js";
import type { LiquidityBalances } from "./types.js";
/**
 * Fetch balances/decimals for the underlying token and its corresponding zERC20 for an account.
 * @remarks
 * - If the liquidity manager's `underlyingToken` is the native-token sentinel address,
 *   balance is fetched via `provider.getBalance(...)` and decimals are assumed to be 18.
 * - Otherwise ERC-20 `balanceOf` and `decimals` are read for the underlying token.
 */
export declare function fetchLiquidityManagerBalances(params: {
    provider: EvmReadProvider;
    account: string;
    liquidityManagerAddress: string;
    zerc20TokenAddress: string;
}): Promise<LiquidityBalances>;
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