import { default as FeatureLayer } from '@arcgis/core/layers/FeatureLayer.js';
import { FieldsRegistry } from '../types/types';
/**
 * Enriches a FeatureLayer's fields (missing alias/description/valueType) using an LLM and
 * returns a complete `FieldsRegistry`. Skips the model call if nothing needs enrichment.
 * Throws if the LLM response fails schema validation.
 */
export declare const generateFieldDescriptions: (featureLayer: FeatureLayer) => Promise<FieldsRegistry>;