/**
 * MAMA Graph API
 *
 * HTTP API endpoints for Graph Viewer.
 * Provides /graph endpoint for fetching decisions and edges data.
 * Provides /viewer endpoint for serving HTML viewer.
 */
import type { GraphNode, GraphEdge, CheckpointData, GraphHandlerOptions, GraphHandlerFn } from './graph-api-types.js';
declare const VIEWER_HTML_PATH: string;
declare const VIEWER_CSS_PATH: string;
declare const DEFAULT_GRAPH_LIMIT = 300;
declare function migrateLegacyManagedBackends<T extends Record<string, unknown>>(config: T): T;
type GraphDecisionRow = {
    id: string;
    topic: string;
    decision: string;
    reasoning: string;
    outcome: string | null;
    confidence: number | null;
    created_at: number;
};
declare function mapDecisionRowToGraphNode(row: GraphDecisionRow): GraphNode;
declare function parseGraphLimit(params: URLSearchParams): number | null;
declare function buildGraphMeta(input: {
    totalNodes: number;
    totalEdges: number;
    similarityEdges: number;
    isPartial: boolean;
    returnedNodes: number;
    returnedEdges: number;
}): Record<string, number | boolean>;
declare function getAllNodes(limit?: number | null): Promise<GraphNode[]>;
declare function getAllEdges(): Promise<GraphEdge[]>;
declare function getAllCheckpoints(): Promise<CheckpointData[]>;
declare function getUniqueTopics(nodes: GraphNode[]): string[];
declare function filterNodesByTopic(nodes: GraphNode[], topic: string): GraphNode[];
declare function filterEdgesByNodes(edges: GraphEdge[], nodes: GraphNode[]): GraphEdge[];
declare function createGraphHandler(options?: GraphHandlerOptions): GraphHandlerFn;
declare function validateConfigUpdate(config: Record<string, any>): string[];
export { createGraphHandler, DEFAULT_GRAPH_LIMIT, mapDecisionRowToGraphNode, parseGraphLimit, buildGraphMeta, validateConfigUpdate, migrateLegacyManagedBackends, getAllNodes, getAllEdges, getAllCheckpoints, getUniqueTopics, filterNodesByTopic, filterEdgesByNodes, VIEWER_HTML_PATH, VIEWER_CSS_PATH, };
export type { GraphNode, GraphEdge, SimilarityEdge, CheckpointData, GraphHandlerOptions, } from './graph-api-types.js';
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