import { Serializable } from "@langchain/core/load/serializable";
import { Document } from "@langchain/core/documents";
export declare class Node extends Serializable {
    id: string | number;
    type: string;
    properties: Record<string, any>;
    lc_namespace: string[];
    constructor({ id, type, properties, }: {
        id: string | number;
        type: string;
        properties?: Record<string, any>;
    });
}
export declare class Relationship extends Serializable {
    source: Node;
    target: Node;
    type: string;
    properties: Record<string, any>;
    lc_namespace: string[];
    constructor({ source, target, type, properties, }: {
        source: Node;
        target: Node;
        type: string;
        properties?: Record<string, any>;
    });
}
export declare class GraphDocument extends Serializable {
    nodes: Node[];
    relationships: Relationship[];
    source: Document;
    lc_namespace: string[];
    constructor({ nodes, relationships, source, }: {
        nodes: Node[];
        relationships: Relationship[];
        source: Document;
    });
}