import { BlankNode, DefaultGraph, Literal, NamedNode } from "@rdfjs/types";
export declare const _getUnderlyingNode: unique symbol;
export declare const _getUnderlyingMatch: unique symbol;
export declare const _isSubjectOriented: unique symbol;
export declare const _getNodeAtIndex: unique symbol;
export declare const _getUnderlyingDataset: unique symbol;
export declare const _getUnderlyingArrayTarget: unique symbol;
export declare const _proxyContext: unique symbol;
export declare const _writeGraphs: unique symbol;
export declare type ObjectLike = Record<string | number | symbol, any>;
export declare type SubjectType = NamedNode | BlankNode;
export declare type PredicateType = NamedNode;
export declare type ObjectType = NamedNode | BlankNode | Literal;
export declare type GraphType = NamedNode | BlankNode | DefaultGraph;
export declare type QuadMatch = [
    SubjectType | undefined | null,
    PredicateType | undefined | null,
    ObjectType | undefined | null,
    GraphType | undefined | null
];