/**
 * Shared HTTP helpers used by ZarrPoller, detectZarrStore, and the
 * client-side Zarr metadata parser. Keeping them here avoids duplicating the
 * cookie/auth and URL-normalization logic across modules.
 */
/** Cookie name (with trailing "=") that holds the Freva bearer token. */
export declare const DEFAULT_COOKIE_NAME = "freva_auth_token=";
/**
 * Default auth-header provider: reads a Bearer token from the
 * `freva_auth_token` cookie and returns it as an `Authorization` header.
 * Returns an empty object when the cookie is absent or malformed (or when
 * there is no `document`, e.g. in a non-browser context).
 */
export declare function defaultGetAuthHeaders(): Record<string, string>;
/**
 * Normalize a user-provided URL/path. If it looks percent-encoded
 * (e.g. `https%3A//…`, or double-encoded `https%253A//…`) we decode it so
 * downstream `fetch` calls treat it as an absolute URL rather than a
 * relative path against the current origin.
 */
export declare function normalizeUrl(input: string): string;
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