/**
 * Maintains a bidirectional mapping between product IDs and shape IDs.
 *
 * This class allows efficient querying of all shapes associated with a product,
 * all products associated with a shape, and iteration over all unique product-shape pairs.
 *
 * - Each product ID/product def can be associated with multiple shape IDs, and vice versa.
 * - It is expected that a product ID and product definition ID are map a singular product
 *   to one or more product definitions, but that there is only a singular constnat product ID
 *   for a given product definition ID.
 * - The mapping is idempotent: adding the same product-shape pair multiple times has no effect after the first addition.
 * - The total count reflects the number of unique product-shape pairs.
 */
export declare class AP214ProductShapeMap {
    private productsToProductDefs_;
    private productDefsToProducts_;
    private productDefsToShapes_;
    private shapesToProductDefs_;
    private _count;
    /**
     * Adds a product-shape pair. Idempotent: does not add duplicates.
     *
     * @param productId Product numerical id
     * @param shapeId Shape numerical id
     *
     * @return {boolean} True if the pair was added, false if it already existed.
     */
    /**
     * Adds a mapping between a product and its product definition to a shape.
     * If the product def share pair does not already exist, it is added to both
     * the product-to-shapes and shape-to-products maps, and the internal count is incremented.
     *
     * @param productId - The local ID of the product.
     * @param productDefitionId - The local ID of the product definition.
     * @param shapeId - The local ID of the shape.
     * @return {true} if the pair was newly added; `false` if the pair already existed.
     */
    addProductShapePair(productId: number, productDefitionId: number, shapeId: number): boolean;
    /**
     * Returns the number of unique product-shape pairs.
     *
     * @return {number} The count of unique product-shape pairs.
     */
    get count(): number;
    /**
     * Gets the set of shape ids for a given product id.
     *
     * @param productId Product numerical id
     *
     * @return {Set<number> | undefined} A set of shape ids associated with the product, or undefined if no shapes are associated.
     */
    getShapesForProduct(productId: number): Set<number> | undefined;
    /**
     * Gets the set of product ids for a given shape id.
     *
     * @param shapeId Shape numerical id
     *
     * @return {Set<number> | undefined} A set of product ids associated with the shape, or undefined if no products are associated.
     */
    getProductDefForShape(shapeId: number): Set<number> | undefined;
    /**
     * Get the s for a shape, given the shape local ID.
     *
     * @param shapeId The local ID of the shape.
     * @return {Set< number > | undefined} The local IDs of the product definition associated with the
     * shape, or undefined if no product definition is associated with the shape.
     */
    getProductDefForShapeId(shapeId: number): Set<number> | undefined;
    /**
     * Get the ids of product defs mapped to their associated products.
     *
     * @yields {[number, Set<number>]} Returns an iterator of [productId, Set<shapeId>] pairs.
     */
    productsToProductDefs(): IterableIterator<[number, Set<number>]>;
    /**
     * Get the ids of products mapped to their associated shapes.
     *
     * @yields {[number, Set<number>]} Returns an iterator of [productId, Set<shapeId>] pairs.
     */
    productDefsToShapes(): IterableIterator<[number, Set<number>]>;
    /**
     * Returns an iterator of [shapeId, Set<productId>] pairs.
     *
     * @yields {[number, Set<number>]} Returns an iterator of [shapeId, Set<productId>] pairs.
     */
    shapesToProductsDefs(): IterableIterator<[number, Set<number>]>;
    /**
     * Returns an iterator of all unique [productId productDefinitionId, shapeId] tuples.
     *
     * @yields {[number, number]} An iterator of unique product-shape tuples.
     */
    tuples(): IterableIterator<[number, number, number]>;
}
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