export declare const SIWE_DOMAIN = "dash.xenarch.dev";
export declare const SIWE_URI = "https://dash.xenarch.dev";
export declare const SIWE_CHAIN_ID = 8453;
/**
 * Build a canonical EIP-4361 message string.
 *
 * Follows the ABNF the `siwe` Python library parses: a domain preamble,
 * the checksummed address, a blank line, the statement, a blank line, then
 * the key/value field block. `address` is checksummed because siwe-py
 * rejects non-EIP-55 addresses in the message body.
 */
export declare function buildSiweMessage(opts: {
    address: string;
    nonce: string;
    issuedAt: string;
    expirationTime: string;
    statement: string;
    domain?: string;
    uri?: string;
    chainId?: number;
}): string;
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