import { type LighterAccountIndex } from '@funkit/api-base';
export type LighterTransferFeeInfo = {
    code: number;
    transfer_fee_usdc: number;
};
export declare function getLighterTransferFeeInfo(accountIndex: LighterAccountIndex, toAccountIndex: number): Promise<LighterTransferFeeInfo>;
/**
 * Lighter Fast's unstaked-withdrawal fee, in source tokens (USDC), read
 * straight from Lighter's `transferFeeInfo` endpoint (stake-aware, replaces
 * the deprecated client-computed share-price gate).
 *
 * `to_account_index` is Relay's Lighter operating account for Fast
 * withdrawals — sourced from a dynamic config since Relay can rotate it.
 *
 * `isFetched` stays `false` until the first fee resolves; callers must wait
 * for it before quoting, since `feeTokens` is 0 (not yet the real fee) until then.
 */
export declare function useLighterFastUnstakedFeeTokens({ accountIndex, enabled, }: {
    accountIndex: LighterAccountIndex | undefined;
    /** Fast only — Secure charges no such fee. */
    enabled: boolean;
}): {
    feeTokens: number;
    isFetched: boolean;
    isError: boolean;
};
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