import { KeyPair, Account } from "near-api-js";
import { NearConfig } from "near-api-js/lib/near";
import { NearAccountConfig } from "../types";
/** Gas unit constant for NEAR transactions (1 TeraGas) */
export declare const TGAS = 1000000000000n;
/** Valid NEAR network identifiers */
type NetworkId = "mainnet" | "testnet";
/**
 * Extracts the network ID from a given NEAR account ID
 *
 * @param accountId - The NEAR account ID to analyze
 * @returns The network ID ("mainnet" or "testnet")
 * @remarks If the account ID doesn't end with "near" or "testnet", defaults to "mainnet"
 */
export declare function getNetworkId(accountId: string): NetworkId;
/**
 * Generates a NEAR configuration object for a specific network
 *
 * @param networkId - The target network identifier
 * @returns Configuration object for NEAR connection
 */
export declare function configFromNetworkId(networkId: NetworkId): NearConfig;
/**
 * Creates a NEAR Account instance from provided credentials
 *
 * @param config - Configuration containing account ID, network, and key pair
 * @returns A NEAR Account instance
 */
export declare const nearAccountFromKeyPair: (config: NearAccountConfig) => Promise<Account>;
/**
 * Creates a read-only NEAR Account instance from an account ID
 *
 * @param accountId - The NEAR account identifier
 * @param network - The NEAR network configuration
 * @returns A read-only NEAR Account instance
 * @remarks This account cannot perform write operations
 */
export declare const nearAccountFromAccountId: (accountId: string, network: NearConfig) => Promise<Account>;
/**
 * Creates a NEAR Account instance with optional write capabilities
 *
 * @param accountId - The NEAR account identifier
 * @param network - The NEAR network configuration
 * @param keyPair - Optional key pair for write access
 * @returns A NEAR Account instance
 */
export declare const createNearAccount: (accountId: string, network: NearConfig, keyPair?: KeyPair) => Promise<Account>;
export {};