/**
 * The two figures a Nado withdrawal screen has to agree on across platforms: the
 * sequencer fee, and the largest amount the user may type once it is accounted
 * for. A discrepancy here is money.
 */
import type { NadoFeeRates } from './gateway';
import type { NadoWithdrawalSourceOption } from './withdrawalTypes';
export interface NadoSequencerFee {
    /** As the gateway reports it: 18 decimals, whatever the token's own. */
    x18: bigint;
    /** The token's own units, for the fee the withdrawal flow deducts. */
    tokenAmount: number;
}
/** Missing or unparseable reads as 0 — NaN would poison the quote. */
export declare function getSequencerFee(feeRates: NadoFeeRates | undefined, option: NadoWithdrawalSourceOption | undefined): NadoSequencerFee;
/**
 * Largest amount the user may type. The fee comes off the entry later, so it
 * goes back on here or Max undershoots by exactly one fee.
 *
 * - Each figure floors before summing; flooring the sum can round up a base
 *   unit past `max_withdrawable`.
 * - Zero, or unknown decimals, gives no number rather than advertising a
 *   maximum the account cannot withdraw.
 */
export declare function getMaxEnterableAmount({ maxWithdrawableX18, sequencerFee, decimals, }: {
    maxWithdrawableX18: string | undefined;
    sequencerFee: bigint;
    decimals: number | undefined;
}): string;
//# sourceMappingURL=withdrawalAmounts.d.ts.map