import { RpcSource } from './index.js';
/**
 * Enum representing the type of lookup to perform on the block explorer.
 */
export declare enum LookupType {
    TX = "tx",
    ADDRESS = "address",
    BLOCK = "block"
}
/**
 * Interface for parameters used in constructing a block explorer URL.
 */
export interface BlockExplorerParams {
    chainId?: number;
    blockExplorerURI?: string;
    rpc?: RpcSource;
}
/**
 * Constructs a block explorer URL for a given value and lookup type.
 *
 * @param value - The value to look up (e.g., transaction hash or address).
 * @param type - The type of lookup to perform.
 * @param params - Optional parameters for constructing the URL.
 * @returns A promise that resolves to the constructed block explorer URL.
 * @throws An error if unable to determine the block explorer URL.
 */
export declare function constructBlockExplorerUrl(value: string, type: LookupType, params?: BlockExplorerParams): Promise<string>;