import type { PageDefinition } from '@rangka/shared';
export interface PageValidationWarning {
    pageKey: string;
    location: string;
    message: string;
}
/**
 * Collect all distinct model names referenced as data sources within a page body.
 */
export declare function extractSourceModels(page: PageDefinition): string[];
/**
 * Validate that every source model referenced by pages actually exists
 * in the known model set. Returns warnings for unresolved references.
 */
export declare function validatePageSources(pages: Array<{
    module: string;
    page: PageDefinition;
}>, knownModels: Set<string>): PageValidationWarning[];
/** Detect pages that share the same key across different modules. */
export declare function detectDuplicatePageKeys(pages: Array<{
    module: string;
    page: PageDefinition;
}>): PageValidationWarning[];
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