import { Balance, BlockInfo, ChainKey, ContractInfo, GasData, Provider, ProviderCapabilities, ProviderConfig, TokenBalance, TokenBalanceOptions, TokenTransfer, TokenTransferOptions, Transaction, TxHistoryOptions } from "../_chunks/provider.mjs";
export declare class Blockscout extends Provider {
  static readonly key = "blockscout";
  private defaultChain;
  private readonly baseUrl;
  private readonly tokenBalanceTimeout;
  constructor(config: Readonly<ProviderConfig>);
  get capabilities(): ProviderCapabilities;
  private base;
  getBalance(address: string, chain?: ChainKey): Promise<Balance>;
  /**
   * Follow Blockscout's 50-item keyset pages up to the 100-result provider limit.
   *
   * @param {string} address - The `address` value.
   * @param {ChainKey} chain - The `chain` value.
   * @param {Readonly<TxHistoryOptions>} options - The `options` value.
   * @returns {Promise<Transaction[]>} The resulting value.
   */
  getTxHistory(address: string, chain?: ChainKey, options?: Readonly<TxHistoryOptions>): Promise<Transaction[]>;
  getTxDetail(hash: string, chain?: ChainKey): Promise<Transaction>;
  getContractInfo(address: string, chain?: ChainKey): Promise<ContractInfo>;
  getTokenBalances(address: string, chain?: ChainKey, options?: Readonly<TokenBalanceOptions>): Promise<TokenBalance[]>;
  /**
   * Walk the keyset-paginated ERC-20 transfer list until `limit` is reached.
   *
   * The endpoint accepts only a token filter and a `next_page_params` cursor. Block range, sort,
   * and page have no server-side equivalent and are ignored, the same way `getTxHistory` ignores
   * them.
   *
   * @param {string} address - The `address` value.
   * @param {ChainKey} chain - The `chain` value.
   * @param {Readonly<TokenTransferOptions>} options - The `options` value.
   * @returns {Promise<TokenTransfer[]>} The resulting value.
   */
  getTokenTransfers(address: string, chain?: ChainKey, options?: Readonly<TokenTransferOptions>): Promise<TokenTransfer[]>;
  getGasData(chain?: ChainKey): Promise<GasData>;
  getBlockInfo(blockNumber: number, chain?: ChainKey): Promise<BlockInfo>;
}
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