/// <reference types="svelte" />
import type { Placement } from '@floating-ui/dom';
import { type Writable } from 'svelte/store';
export type ChartfullPopoverContext = {
    open: Writable<boolean>;
    offset: Writable<number>;
    placements: Writable<Placement[]>;
};
export declare function getDefaultChartfullPopoverContext(): ChartfullPopoverContext;
export declare function getChartfullPopoverContext(): ChartfullPopoverContext;
export declare function setChartfullPopoverContext(context: ChartfullPopoverContext): ChartfullPopoverContext;