import { DataItem } from '../types/contract.types.js';
import { EIP1474Transaction } from '../types/submit.types.js';
export declare class UnsignedTransactionJsonService {
    private jsonPath;
    private contractAddress;
    private gasPrice;
    private startingNonce;
    constructor(jsonPath: string, contractAddress: string, gasPrice?: string | number, _chainId?: number, // Polygon mainnet - kept for backward compatibility but not used
    startingNonce?: number);
    /**
     * Prepares DataItem for contract call by converting CIDs to hashes.
     */
    private prepareDataItemForContract;
    /**
     * Creates EIP-1474 compliant transaction object for a batch of items
     */
    private createEIP1474Transaction;
    /**
     * Generates unsigned transactions for batches of items and returns them
     */
    generateUnsignedTransactions(batches: DataItem[][], rpcUrl: string, userAddress: string): Promise<EIP1474Transaction[]>;
    /**
     * Generates unsigned transactions JSON for batches of items
     */
    generateUnsignedTransactionsJson(batches: DataItem[][], rpcUrl: string, userAddress: string): Promise<void>;
}
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