import type { EthersV6CompatibleTypedData } from './types';
import type { NextTransactionStateError } from '../common/produceNextStateForTransaction';
import type { HyperliquidTransaction, Transaction } from 'rango-sdk';
import type { Result } from 'ts-results';
export declare function ensureHyperliquidTransactionIsValid(tx: Transaction | null): Result<HyperliquidTransaction, NextTransactionStateError>;
export declare function getEthersV6CompatibleTypedDataFromMessage(message: string): Result<EthersV6CompatibleTypedData, NextTransactionStateError>;
export declare function initiateWithdrawalRequest(action: HyperliquidTransaction['action'], signature: Signature, nonce: HyperliquidTransaction['nonce']): Promise<Result<{
    status: string;
}, NextTransactionStateError>>;
interface Signature {
    /** First 32-byte component of ECDSA signature. */
    r: string;
    /** Second 32-byte component of ECDSA signature. */
    s: string;
    /** Recovery identifier. */
    v: 27 | 28;
}
export declare function splitSignature(// validate and decode a 65-byte 0x… signature into { r, s, v } with v normalized to 27/28 for the Hyperliquid withdrawal request
signature: `0x${string}`): Result<Signature, NextTransactionStateError>;
export {};
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