import type { Diagram } from "@visuallyjs/browser-ui";
import { ComponentRef } from "./surface-store";
/**
 * Key for the diagram context
 * @internal
 */
export declare const DIAGRAM_STORE_KEY: unique symbol;
/**
 * Handle for a diagram - use `set` to set the diagram and `listen` to register a listener.
 * @internal
 */
export interface DiagramRef extends ComponentRef<Diagram> {
}
/**
 * Create a surface context, and set it on Svelte via `setContext`.
 * @internal
 */
export declare function internal_createDiagramContext(): DiagramRef;
/**
 * Gets the current diagram context from Svelte, optionally creating it if it does not exist. The Diagram and the DiagramProvider both set `doNotCreate` to false; other components such as miniview/controls must set it to true.
 * DO NOT use as a user of the API. Use {@link useDiagram} instead
 * @param doNotCreate
 * @internal
 */
export declare function internal_getDiagramContext(doNotCreate: boolean): DiagramRef;