/**
 * Node-only filesystem loaders for the YAML semantic layer.
 *
 * This module is intentionally separate from `yaml-loader.ts` (which is
 * browser-safe: pure string/object parsing and serialization) because it
 * imports `node:fs`/`node:path`. Keeping the filesystem traversal here means
 * the browser-reachable barrel never drags node builtins into a browser
 * bundle. Node consumers import filesystem loaders from here (or the semantic
 * barrel, which re-exports from here); browser consumers use the pure helpers
 * in `yaml-loader.ts`.
 */
import { SemanticLayer } from './semantic-layer.js';
/**
 * Load a SemanticLayer from a directory on disk.
 * Expected structure:
 *   semanticLayerDir/
 *     metrics/       → *.yaml metric definitions
 *     dimensions/    → *.yaml dimension definitions
 *     hierarchies/   → *.yaml hierarchy definitions
 *     cubes/         → *.yaml cube definitions
 *     segments/      → *.yaml segment definitions
 *     pre_aggregations/ → *.yaml pre-aggregation definitions
 *     blocks/        → *.yaml block companion definitions (metadata only, not loaded into layer)
 */
export declare function loadSemanticLayerFromDir(semanticLayerDir: string): SemanticLayer;
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