/**
 * Pure validation for the optional {@link SemanticFactBundle} nested in a
 * catalog JSON payload (P2 MCP audit Phase 3 Task 3.2).
 *
 * Called by {@link CatalogRepo} after SQLite JSON decode and before projection.
 * Producer caps are the primary allocation guard; this rejects malformed /
 * oversized decoded structures fail-closed.
 */
import { type SemanticFactBundle, type SemanticFactLimits } from '../types.js';
/**
 * Assert `value` is a well-formed {@link SemanticFactBundle} within production
 * bounds. Throws on any malformed/oversized structure.
 *
 * @throws {Error} When the bundle shape, counts, or nested entries are invalid.
 * @throws {TypeError} When declarations/references are not arrays.
 */
export declare function validateSemanticFactBundle(value: unknown, limits?: SemanticFactLimits): asserts value is SemanticFactBundle;
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