import { ethers } from 'ethers';
import { UnsignedTransaction, TransactionResponse, GasInfo, TxBuildResult } from '../types';
/**
 * Abstract base class for RWA Token operations across different chains
 */
export declare abstract class RwaTokenBase {
    protected provider: ethers.JsonRpcProvider;
    protected chainId: number;
    private balanceCache;
    private decimalsCache;
    private symbolCache;
    /**
     * Create a new instance of the RwaTokenBase
     * @param provider The JSON-RPC provider instance
     * @param chainId The chain ID of the connected network
     */
    constructor(provider: ethers.JsonRpcProvider, chainId: number);
    /**
     * Get the decimals of a token
     * @param tokenAddress The address of the token contract
     * @returns The number of decimals of the token
     */
    getDecimals(tokenAddress: string): Promise<number>;
    /**
     * Get the symbol of a token
     * @param tokenAddress The address of the token contract
     * @returns The symbol of the token
     */
    getSymbol(tokenAddress: string): Promise<string>;
    /**
     * Get the token balance of an address
     * @param tokenAddress The address of the token contract
     * @param walletAddress The address of the wallet to check the balance of
     * @returns The formatted token balance (e.g., 123.45)
     */
    getTokenBalance(tokenAddress: string, walletAddress: string): Promise<string>;
    /**
     * Get information about current gas prices and estimated costs
     * @param txnType The type of transaction (used for gas estimation)
     * @returns Gas price information
     */
    getGasInfo(txnType?: string): Promise<GasInfo>;
    /**
     * Sign a transaction using a private key
     * @param rawTx The unsigned transaction
     * @param privateKey The private key to sign with
     * @returns The signed transaction
     */
    signTxn(rawTx: UnsignedTransaction, privateKey: string): Promise<string>;
    /**
     * Broadcast a signed transaction to the network
     * @param signedTxn The signed transaction hex string
     * @returns Transaction response information
     */
    broadcast(signedTxn: string): Promise<TransactionResponse>;
    /**
     * Get the logs and status of a transaction
     * @param txHash The transaction hash
     * @returns The transaction logs and status
     */
    getTxnLogs(txHash: string): Promise<{
        status: 'success' | 'pending' | 'failed';
        logs: any[];
    }>;
    /**
     * Abstract method to build a mint transaction
     * Must be implemented by chain-specific classes
     */
    abstract buildMintTxn(params: {
        to: string;
        amount: string;
        from: string;
    }): Promise<{
        isError: boolean;
        errorMsg?: string;
        data?: {
            rawTx: UnsignedTransaction;
            gasCost: string;
            gasPrice: string;
            gasLimit: string;
        };
    }>;
    /**
     * Abstract method to build a burn transaction
     * Must be implemented by chain-specific classes
     */
    abstract buildBurnTxn(params: {
        from: string;
        amount: string;
        sender: string;
    }): Promise<{
        isError: boolean;
        errorMsg?: string;
        data?: {
            rawTx: UnsignedTransaction;
            gasCost: string;
            gasPrice: string;
            gasLimit: string;
        };
    }>;
    /**
     * Abstract method to build a transfer transaction
     * Must be implemented by chain-specific classes
     */
    abstract buildTransferTxn(params: {
        to: string;
        amount: string;
        from: string;
    }): Promise<{
        isError: boolean;
        errorMsg?: string;
        data?: {
            rawTx: UnsignedTransaction;
            gasCost: string;
            gasPrice: string;
            gasLimit: string;
        };
    }>;
    /**
     * Abstract method to build a forced transfer transaction
     * Must be implemented by chain-specific classes
     */
    abstract buildForcedTransferTxn(params: {
        from: string;
        to: string;
        amount: string;
        sender: string;
    }): Promise<{
        isError: boolean;
        errorMsg?: string;
        data?: {
            rawTx: UnsignedTransaction;
            gasCost: string;
            gasPrice: string;
            gasLimit: string;
        };
    }>;
    /**
     * Abstract method to build a pause transaction
     * Must be implemented by chain-specific classes
     */
    abstract buildPauseTxn(params: {
        from: string;
    }): Promise<{
        isError: boolean;
        errorMsg?: string;
        data?: {
            rawTx: UnsignedTransaction;
            gasCost: string;
            gasPrice: string;
            gasLimit: string;
        };
    }>;
    /**
     * Abstract method to build an unpause transaction
     * Must be implemented by chain-specific classes
     */
    abstract buildUnpauseTxn(params: {
        from: string;
    }): Promise<{
        isError: boolean;
        errorMsg?: string;
        data?: {
            rawTx: UnsignedTransaction;
            gasCost: string;
            gasPrice: string;
            gasLimit: string;
        };
    }>;
    /**
     * Build a cross-chain transfer transaction using LayerZero's OFT standard
     * @param params The parameters for the cross-chain transfer operation
     * @returns The transaction build result
     */
    abstract buildCrossChainTransferTxn(params: {
        to: string;
        amount: string;
        destinationChainId: number;
        destinationAddress: string;
        adapterParams?: string;
        from: string;
    }): Promise<TxBuildResult>;
}