/**
 * The Lighter Fast "unstaked fee": a flat deduction taken off the withdrawal
 * before quoting, waived for users staked at or above Lighter's own threshold.
 *
 * Reads Lighter's `transferFeeInfo` endpoint (via `useLighterFastUnstakedFeeTokens`)
 * rather than deriving the fee from share price locally — Lighter's backend
 * already knows the account's stake. `feeTokens` is 0 while the lookup is in
 * flight and for every non-Fast caller; a failed lookup fails closed to the
 * flat historical fee rather than 0. Callers must wait for `isFetched` before
 * quoting off `feeTokens` — see `quoteInputFeeSettled`.
 */
export declare function useLighterUnstakedFee({ accountIndex, enabled, }: {
    accountIndex: string | undefined;
    /** Fast only — Secure charges no such fee. */
    enabled: boolean;
}): {
    feeTokens: number;
    /** `true` for a non-Fast caller: nothing to wait on. */
    isFetched: boolean;
};
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