import type { FabricAuthOptions } from './types.js';
/**
 * Constructs the broker launch URL for the chromeless SecureItemEmbed view.
 *
 * Uses the SecureItemEmbed path so the popup renders without Fabric portal
 * chrome (navigation, ribbon).  Preserves any existing query parameters on
 * `fabricPortalUrl` and adds artifact identification + extensionPath.
 *
 * PKCE parameters are no longer included in the URL — they are delivered to
 * the extension via the postMessage challenge flow (`brokeredAuth.challenge`).
 *
 * **Local-manifest debugging:** when `fabricPortalUrl` carries
 * `debug.useLocalManifests=1`, the chromeless SecureItemEmbed host is bypassed
 * in favor of the full-portal artifact deep-link. The SecureItemEmbed host
 * does not propagate `debug.useLocalManifests` to the loaded extension
 * manifest, whereas the portal shell honors it — so this fallback renders the
 * usual portal chrome but loads local manifests. PKCE/state are still
 * delivered via postMessage in both cases, so no auth params are added here.
 *
 * @param options - Auth options (workspace/project IDs, portal URL).
 * @returns Fully constructed broker URL.
 */
export declare function buildBrokerUrl(options: FabricAuthOptions): string;
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