import { Balance, ChainKey, Provider, ProviderCapabilities, ProviderConfig, TokenBalance, TokenBalanceOptions, Transaction, TxHistoryOptions } from "../_chunks/provider.mjs";
export declare class Helius extends Provider {
  static readonly key = "helius";
  private readonly apiKey;
  private readonly baseUrl;
  constructor(config: Readonly<ProviderConfig>);
  get capabilities(): ProviderCapabilities;
  private api;
  private apiPost;
  private rpc;
  getBalance(_address: string, chain?: ChainKey): Promise<Balance>;
  getTxHistory(address: string, chain?: ChainKey, options?: Readonly<TxHistoryOptions>): Promise<Transaction[]>;
  /**
   * List an owner's fungible holdings. Airdrop spam pushes ordinary wallets past one page.
   *
   * @param {string} address - The `address` value.
   * @param {ChainKey} chain - The `chain` value.
   * @param {Readonly<TokenBalanceOptions>} options - The `options` value.
   * @returns {Promise<TokenBalance[]>} The resulting value.
   */
  getTokenBalances(address: string, chain?: ChainKey, options?: Readonly<TokenBalanceOptions>): Promise<TokenBalance[]>;
  getTxDetail(hash: string, chain?: ChainKey): Promise<Transaction>;
}
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