import { PageDefinition, RelationType } from '@judo/model-api';
/**
 * Check if a page is a singleton access page.
 *
 * A singleton access page is an AccessViewPage whose dataElement is a RelationType with:
 * - isAccess = true (it's an access relation, i.e., top-level entry point)
 * - isCollection = false (there's exactly one instance, not a list)
 *
 * Singleton access pages don't require a signedIdentifier in the URL because
 * there's only one transfer behind the relation. The transfer's signedIdentifier
 * must be resolved at runtime by calling refreshAccessRelation before the
 * normal onInit refresh can proceed.
 *
 * @param page - The PageDefinition to check
 * @returns true if the page is a singleton access page
 */
export declare function isSingletonAccessPage(page: PageDefinition): boolean;
/**
 * Get the access relation from a singleton access page.
 *
 * @param page - The PageDefinition (must be a singleton access page)
 * @returns The RelationType representing the access relation, or undefined
 */
export declare function getSingletonAccessRelation(page: PageDefinition): RelationType | undefined;
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