/**
 * Fetches X's responsive web app shell and returns the HTML document.
 *
 * The `/home` route serves the full client bundle whose inline runtime
 * exposes the ondemand chunk map and guest token required for transaction
 * ID generation, even when the request is unauthenticated.
 *
 * @returns Promise resolving to the Document object from X's responsive web app
 * @throws {XHomePageFetchError} If the request to X's home route fails.
 */
declare function fetchXDocument(): Promise<Document>;
/**
 * Fetches X's responsive web app shell and returns the HTML document.
 *
 * @deprecated X no longer performs a domain migration step. Use {@link fetchXDocument}
 *             instead. This function is kept only for backward compatibility and
 *             simply delegates to {@link fetchXDocument}.
 *
 * @returns Promise resolving to the Document object from X's responsive web app
 * @throws {XHomePageFetchError} If the request to X's home route fails.
 */
declare function handleXMigration(): Promise<Document>;
/**
 * Activates a guest token via the X guest activate API.
 *
 * @returns Promise resolving to the guest token string, or null on failure.
 */
declare function activateGuestToken(): Promise<string | null>;
/**
 * Converts a floating point number to hexadecimal string representation
 *
 * @param x Floating point number to convert
 * @returns Hexadecimal string representation of the number
 */
declare function floatToHex(x: number): string;
/**
 * Determines if a number is odd and returns a specific value
 *
 * @param num Number to check
 * @returns -1.0 if odd, 0.0 if even
 */
declare function isOdd(num: number): number;
export { activateGuestToken, fetchXDocument, floatToHex, handleXMigration, isOdd, };
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