/**
 * Story 3.6 — pure graph filter matching (deterministic substring).
 */
import type { SutraGraph, SutraFeature } from "../types.js";
import type { ViewFilterState } from "./viewState.js";
export declare function featureMatchesFilter(graph: SutraGraph, feat: SutraFeature, state: ViewFilterState): boolean;
export declare function filterGraphFeatures(graph: SutraGraph, state: ViewFilterState): SutraFeature[];
export declare function distinctIssueKinds(graph: SutraGraph): string[];
export declare function countVisible(graph: SutraGraph, state: ViewFilterState): {
    features: number;
    nodes: number;
    totalFeatures: number;
    totalNodes: number;
};