import { Balance, BlockInfo, ChainKey, Provider, ProviderCapabilities, ProviderConfig, Transaction, TxHistoryOptions } from "../_chunks/provider.mjs";
export declare class Blockchair extends Provider {
  static readonly key = "blockchair";
  private apiKey;
  private readonly baseUrl;
  private defaultChain;
  constructor(config: Readonly<ProviderConfig>);
  get capabilities(): ProviderCapabilities;
  private buildUrl;
  getBalance(address: string, chain?: ChainKey): Promise<Balance>;
  getTxHistory(address: string, chain?: ChainKey, options?: Readonly<TxHistoryOptions>): Promise<Transaction[]>;
  getTxDetail(hash: string, chain?: ChainKey): Promise<Transaction>;
  getBlockInfo(blockNumber: number, chain?: ChainKey): Promise<BlockInfo>;
}
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