/**
 * Copyright 2020 Inrupt Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
 * Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
import { NamedNode, Quad_Object } from "rdf-js";
import { UrlString, Thing, Url, ThingLocal, LocalNode, ThingPersisted, SolidDataset, WithChangeLog } from "../interfaces";
/** @hidden For internal use only. */
export declare function internal_getReadableValue(value: Quad_Object): string;
/**
 * @hidden
 * @param thing The Thing whose Subject Node you're interested in.
 * @returns A Node that can be used as the Subject for this Thing's Quads.
 */
export declare function internal_toNode(thing: UrlString | Url | ThingPersisted): NamedNode;
/** @hidden */
export declare function internal_toNode(thing: LocalNode | ThingLocal): LocalNode;
/** @hidden */
export declare function internal_toNode(thing: UrlString | Url | LocalNode | Thing): NamedNode | LocalNode;
/**
 * @hidden
 */
export declare function internal_throwIfNotThing(thing: Thing): void;
/**
 * Enforces the presence of a Changelog for a given dataset. If a changelog is
 * already present, it is unchanged. Otherwise, an empty changelog is created.
 * @hidden
 * @param solidDataset
 */
export declare function internal_withChangeLog<Dataset extends SolidDataset>(solidDataset: Dataset): Dataset & WithChangeLog;