import { Auth } from '../Auth/Auth.js';
import type { ClientOptions } from '../types/interfaces/enft.interface.js';
import type { Callback } from '../types/utils/type.utils.js';
import type { TransactionData } from '../types/models/transaction.model.js';
/**
 * @class
 * The main class for the ENFT library.
 **/
export declare class ENFT {
    private readonly auth;
    constructor(auth: Auth);
    /**
     *
     * Subscribes to the sales event of an NFT contract.
     *
     * @async
     * @function
     * @param {ClientOptions} opts - An object containing the options to subscribe to the sales event.
     * @param {string} opts.contractAddress - The address of the NFT contract (required).
     * @param {string} opts.transactionHash - The transaction hash only required for debugTransaction (optional).
     * @param {string} opts.tokenType - The token type <ERC721, ERC1155> (optional).
     * @param {string} opts.etherscanApiKey - The etherscan api key for eth to usd conversion (optional).
     * @param {string} opts.discordWebhook - The discord webhook for built-in notification (optional).
     * @param {TwitterConfig} opts.twitterConfig - The twitter api config for built-in notification (optional).
     * @param {boolean} opts.test - Test mode (optional).
     * @param {Callback} callback - An optional callback function to execute after the transaction is debugged.
     * @throws {Error} If the "opts" parameter is missing required properties.
     * @returns {Promise<() => void>} Returns a promise that resolves to a function.
     **/
    onItemSold: (opts: ClientOptions, callback?: Callback<TransactionData>) => Promise<() => void>;
    /**
     *
     * Debugs a transaction on the Ethereum blockchain using the provided options.
     *
     * @async
     * @function
     * @param {ClientOptions} opts - An object containing the options for the transaction to debug.
     * @param {string} opts.contractAddress - The address of the NFT contract (required).
     * @param {string} opts.transactionHash - The transaction hash only required for debugTransaction (optional).
     * @param {string} opts.tokenType - The token type <ERC721, ERC1155> (optional).
     * @param {string} opts.etherscanApiKey - The etherscan api key for eth to usd conversion (optional).
     * @param {string} opts.discordWebhook - The discord webhook for built-in notification (optional).
     * @param {TwitterConfig} opts.twitterConfig - The twitter api config for built-in notification (optional).
     * @param {boolean} opts.test - Test mode (optional).
     * @param {Callback} callback - An optional callback function to execute after the transaction is debugged.
     * @throws {Error} If the "opts" parameter is missing required properties.
     * @throws {Error} If the "transactionHash" property is missing from the "opts" parameter.
     * @returns {Promise<TransactionData | null | undefined>} A promise that resolves with the transaction data if available, otherwise null or undefined.
     **/
    debugTransaction: (opts: ClientOptions, callback?: Callback<TransactionData>) => Promise<TransactionData | null | undefined>;
    /**
     *
     * Initializes the configuration and options for the client using the provided options.
     *
     * @async
     * @function
     * @param {ClientOptions} opts - An object containing the options for the client.
     * @throws {Error} If the contract metadata cannot be obtained or the token type is unknown and no default token type is provided.
     * @returns {Promise<{ config: Config, options: Options }>} A promise that resolves with an object containing the configuration and options for the client.
     */
    private init;
    /**
     *
     * Checks the token type of the contract metadata.
     *
     * @private
     * @function
     * @param {ContractMetadata} contractMetadata - The metadata of the contract to check.
     * @param {TokenType} [tokenType] - An optional token type to use if the contract's token type is unknown.
     * @throws {Error} If the contract's token type is unknown and no default token type is provided.
     */
    private checkTokenType;
    /**
     *
     * Listens for transfer events on the specified contract and
     * executes the provided callback function when a new event is detected.
     *
     * @private
     * @async
     * @function
     * @param {Config} config - The configuration for the client.
     * @param {Options} options - The options for the client.
     * @param {Callback} [callback] - An optional callback function to execute when a new transfer event is detected.
     * @returns {Promise<() => void>} A promise that resolves with a function to stop listening for events.
     */
    private on;
}
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