/**
 * Opt-in LLM feature naming — structural context only, offline fallback.
 */
import type { SutraGraph, SutraFeature } from "../types.js";
import { type LlmProvider } from "./llm.js";
export declare const AI_NAME_MAX = 60;
export declare const AI_SUMMARY_MAX = 160;
export interface InferFeaturesOptions {
    enabled: boolean;
    llm?: LlmProvider;
    onSkip?: (reason: string) => void;
}
/**
 * When enabled=false, stamps label_source heuristic and returns unchanged labels.
 * When enabled=true, attempts per-feature LLM inference with fallback.
 */
export declare function inferFeatureLabels(graph: SutraGraph, opts: InferFeaturesOptions): Promise<SutraFeature[]>;
export declare function countAiLabels(features: SutraFeature[]): {
    ai: number;
    heuristic: number;
};