/**
 * LayerZero Scan API client.
 *
 * All functions take a `LayerZeroScanConfig` parameter instead of reading
 * from module-level state, making them framework-agnostic and testable.
 */
import type { LayerZeroScanConfig, LayerZeroScanMessage, ScanMessagesResponse, WalletMessagesParams } from "./types.js";
/**
 * Build the wallet messages URL for a given address (useful for deep-links).
 */
export declare function getWalletMessagesUrl(config: LayerZeroScanConfig, address: string): string;
/**
 * Fetch LayerZero messages for a wallet address.
 */
export declare function fetchWalletMessages(config: LayerZeroScanConfig, address: string, params?: WalletMessagesParams): Promise<ScanMessagesResponse<LayerZeroScanMessage>>;
/**
 * Fetch LayerZero messages for a specific transaction hash.
 * Returns `null` when the transaction is not found (404).
 */
export declare function fetchTxMessages(config: LayerZeroScanConfig, txHash: string): Promise<ScanMessagesResponse<LayerZeroScanMessage> | null>;
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