/*!
 * Copyright 2020 Ron Buckton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { GraphMetadataContainer } from "./graphMetadataContainer";
import { GraphCategoryIdLike } from "./graphCategoryIdLike";
/**
 * Graph catagories are used to categorize graph objects such as nodes or links.
 */
export declare class GraphCategory extends GraphMetadataContainer {
    private _id;
    private _basedOn;
    /**
     * For internal use only. Instances should be created via `GraphSchema.categories.getOrCreate()`.
     */
    private constructor();
    /**
     * Gets the unique id of the category.
     */
    get id(): GraphCategoryIdLike;
    /**
     * Gets or sets the category this category is based on.
     */
    get basedOn(): GraphCategory | undefined;
    set basedOn(value: GraphCategory | undefined);
    /**
     * Determines whether this category is based on the specified category.
     */
    isBasedOn(category: GraphCategoryIdLike | GraphCategory): boolean;
}