import { IConceptGraph } from './IConceptGraph';
import { ConceptNode, ConceptRelation } from './types';
/**
 * In-memory implementation of a concept graph for semantic memory
 */
export declare class ConceptGraph implements IConceptGraph {
    private nodes;
    private relations;
    private adjacencyList;
    addNode(node: ConceptNode): Promise<void>;
    addRelation(relation: ConceptRelation): Promise<void>;
    getNode(id: string): Promise<ConceptNode | null>;
    getRelation(sourceId: string, targetId: string): Promise<ConceptRelation | null>;
    getNeighbors(concept: string): Promise<ConceptNode[]>;
    getRelations(concept: string): Promise<ConceptRelation[]>;
    getNodeRelations(nodeId: string): Promise<ConceptRelation[]>;
    findConcepts(pattern: string): Promise<ConceptNode[]>;
    findRelations(criteria: {
        type?: string;
        source?: string;
        target?: string;
    }): Promise<ConceptRelation[]>;
    getAllNodes(): Promise<ConceptNode[]>;
    getAllRelations(): Promise<ConceptRelation[]>;
    findPath(source: string, target: string): Promise<ConceptNode[]>;
    deleteNode(id: string): Promise<void>;
    deleteRelation(relation: ConceptRelation): Promise<void>;
    clear(): Promise<void>;
}