import { type dia, type Vectorizer } from '@joint/core';
export declare const PORTAL_SELECTOR = "react-port-portal";
export interface PortElementsCacheEntry {
    portElement: Vectorizer;
    portLabelElement?: Vectorizer | null;
    portSelectors: Record<string, SVGElement | SVGElement[]>;
    portLabelSelectors?: Record<string, SVGElement | SVGElement[]>;
    portContentElement: Vectorizer;
    portContentSelectors?: Record<string, SVGElement | SVGElement[]>;
}
/**
 * Creates a data structure to manage port elements in a JointJS graph.
 * @returns An object with methods to set, get, clear, and delete port elements.
 * @group Data
 * @category Port
 */
export declare function createPortsData(): {
    set(cellId: dia.Cell.ID, portElementsCache: Record<string, PortElementsCacheEntry>): void;
    get(cellId: dia.Cell.ID, portId: string): SVGElement | undefined;
    clear(): void;
};