import type * as RDF from '@rdfjs/types';
import type { AsyncIterator } from 'asynciterator';
/**
 * A quad destination.
 */
export interface IQuadDestination {
    /**
     * Updates destination with quad stream to insert and quad stream to delete.
     * @param quadStreams The quads to insert and delete.
     */
    update: (quadStreams: {
        insert?: AsyncIterator<RDF.Quad>;
        delete?: AsyncIterator<RDF.Quad>;
    }) => Promise<void>;
    /**
     * Graphs that should be deleted.
     * @param graphs The graph(s) in which all triples must be removed.
     * @param requireExistence If true, and any of the graphs does not exist, an error must be emitted.
     *                         Should only be considered on destinations that record empty graphs.
     * @param dropGraphs If the graphs themselves should also be dropped.
     *                   Should not happen on the 'DEFAULT' graph.
     *                   Should only be considered on destinations that record empty graphs.
     */
    deleteGraphs: (graphs: RDF.DefaultGraph | 'NAMED' | 'ALL' | RDF.NamedNode[], requireExistence: boolean, dropGraphs: boolean) => Promise<void>;
    /**
     * Create the given (empty) graphs.
     * @param graphs The graph names to create.
     * @param requireNonExistence If true, an error MUST be thrown when any of the graph already exists.
     *                            For destinations that do not record empty graphs,
     *                            this should only throw if at least one quad with the given quad already exists.
     */
    createGraphs: (graphs: RDF.NamedNode[], requireNonExistence: boolean) => Promise<void>;
}