import type { Attachment } from "svelte/attachments";
import type { HTMLAttributes } from "svelte/elements";
import { SvelteMap } from "svelte/reactivity";
import { type Writable } from "svelte/store";
import type { SurfaceEdge, SurfaceEdgeParams } from "./Surface.svelte";
import type { Vector2 } from "./diagram-lib.js";
type IndividualConnectActionParam = string | (SurfaceEdgeParams & {
    target: string | string[];
}) | (SurfaceEdgeParams & {
    source: string | string[];
});
interface NodalSurfaceElement extends HTMLElement {
    _nodalSurface: {
        internals: {
            width: Writable<number> | undefined;
            height: Writable<number> | undefined;
            edges: SvelteMap<string, SurfaceEdge>;
        };
        schedule: () => void;
    };
}
export declare function createNodal({ svgAttributes, getNodeAnchor, fadeInDuration, onMount, }?: Partial<{
    svgAttributes: HTMLAttributes<SVGElement>;
    onMount: (engine: NodalSurfaceElement["_nodalSurface"]) => void;
    getNodeAnchor: (node: HTMLElement, anchor: Vector2, svgElement: SVGElement) => {
        top: number;
        left: number;
    };
    fadeInDuration: number;
}>): Attachment;
export declare function connectTo(...edges: IndividualConnectActionParam[]): Attachment;
export {};