/**
 * Result of decoding a P2SH input that uses the Agora-style input-data format.
 *
 * Format follows ecash-agora ad script (ad.ts parseAdScriptSig, partial.ts adScript):
 * - scriptSig = <lokad> <data> <sig> <pubkey> <redeemScript>
 * - lokad first for chronik lokadId indexing
 * - Redeem script: OP_CHECKSIGVERIFY pushBytes(data) OP_EQUALVERIFY pushBytes(lokad) OP_EQUAL
 */
export interface DecodedInputData {
    /** 4-byte lokad ID (for chronik indexing) */
    lokadId: Uint8Array;
    /** Arbitrary data bytes */
    data: Uint8Array;
    /** Sender's P2PKH address (from pubkey in scriptSig) */
    address: string;
}
/**
 * Decode scriptSig from a P2SH input that uses the Agora-style input-data format.
 *
 * Built: scriptSig = [lokad, data, sig, pubkey, redeemScript]
 * Redeem script: OP_CHECKSIG pushBytes(data) OP_EQUALVERIFY pushBytes(lokad) OP_EQUAL
 *
 * @param scriptSig - The scriptSig bytes from the spending input
 * @param prefix - Address prefix (default 'ecash')
 * @returns Decoded lokadId, data, and address, or undefined if the format doesn't match
 */
export declare function decodeInputData(scriptSig: Uint8Array, prefix?: string): DecodedInputData | undefined;
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