/* tslint:disable */
/* eslint-disable */
export function namedNode(value: string): NamedNode;
export function blankNode(value?: string | null): BlankNode;
export function defaultGraph(): DefaultGraph;
export function variable(value: string): Variable;
export function triple(subject: any, predicate: any, object: any): Quad;
export function fromTerm(original: any): any;
export function fromQuad(original: any): any;
export function main(): void;

/**
 * RDF/JS DataFactory-compatible methods
 */ 
export function literal(value: string | undefined, languageOrDataType?: string | NamedNode): Literal;
export function quad(subject: Quad_Subject, predicate: Quad_Predicate, object: Quad_Object, graph?: Quad_Graph): Quad;

/**
 * RDF/JS-compatible BlankNode term
 */
export class BlankNode {
    readonly termType: "BlankNode";
    readonly value: string;

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}

/**
 * RDF/JS-compatible DefaultGraph term
 */
export class DefaultGraph {
    readonly termType: "DefaultGraph";
    readonly value: "";

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}

/**
 * RDF/JS-compatible Literal term
 */
export class Literal {
    readonly datatype: NamedNode;
    readonly language: string;
    readonly termType: "Literal";
    readonly value: string;

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}

/**
 * RDF/JS-compatible BlankNode term
 */
export class NamedNode {
    readonly termType: "NamedNode";
    readonly value: string;

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}

/**
 * BaseQuad is part of the RDF/JS spec and has no direct equivalent in Oxigraph.
 * 
 * It's copied here from the RDF/JS reference types (https://github.com/rdfjs/types , MIT license) because:
 *  - RDF/JS DatasetCore's match method takes Term parameters.
 *  - RDF/JS's Term is defined in terms of BaseQuad and not Quad.
 */ 
export interface BaseQuad {
    readonly graph: Term;
    readonly object: Term;
    readonly predicate: Term;
    readonly subject: Term;
    readonly termType: "Quad";
    readonly value: "";

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}

/**
 * RDF/JS-compatible Quad term
 */
export class Quad implements BaseQuad {
    readonly graph: Quad_Graph;
    readonly object: Quad_Object;
    readonly predicate: Quad_Predicate;
    readonly subject: Quad_Subject;
    readonly termType: "Quad";
    readonly value: "";

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}

/**
 * Typedefs copied from the RDF/JS reference types (https://github.com/rdfjs/types)
 */
export type Quad_Graph = DefaultGraph | NamedNode | BlankNode | Variable;
export type Quad_Object = NamedNode | Literal | BlankNode | Quad | Variable;
export type Quad_Predicate = NamedNode | Variable;
export type Quad_Subject = NamedNode | BlankNode | Quad | Variable;

/**
 * RDF/JS-compatible Term typedef. See note above re: BaseQuad.
 */
export type Term = NamedNode | BlankNode | Literal | Variable | DefaultGraph | BaseQuad;

/**
 * RDF/JS-compatible Variable term
 */
export class Variable {
    readonly termType: "Variable";
    readonly value: string;

    equals(other: Term | null | undefined): boolean;
    toString(): string;
}



export class Store {
    readonly size: number;

    constructor(quads?: Iterable<Quad>);

    add(quad: Quad): void;

    delete(quad: Quad): void;

    dump(
        options: {
            format: string;
            from_graph_name?: BlankNode | DefaultGraph | NamedNode;
        }
    ): string;

    has(quad: Quad): boolean;

    load(
        data: string,
        options: {
            base_iri?: NamedNode | string;
            format: string;
            no_transaction?: boolean;
            to_graph_name?: BlankNode | DefaultGraph | NamedNode;
            unchecked?: boolean;
        }
    ): void;

    match(subject?: Term | null, predicate?: Term | null, object?: Term | null, graph?: Term | null): Quad[];

    query(
        query: string,
        options?: {
            base_iri?: NamedNode | string;
            results_format?: string;
            default_graph?: BlankNode | DefaultGraph | NamedNode | Iterable<BlankNode | DefaultGraph | NamedNode>;
            named_graphs?: Iterable<BlankNode | NamedNode>;
            use_default_graph_as_union?: boolean;
        }
    ): boolean | Map<string, Term>[] | Quad[] | string;

    update(
        update: string,
        options?: {
            base_iri?: NamedNode | string;
        }
    ): void;
}