import type { Rect } from '../layout';
declare const DIRECTIONS: readonly ["right-below", "left-below", "right-above", "left-above"];
type TooltipPlacementDirection = (typeof DIRECTIONS)[number];
export type TooltipPlacementConfig = {
    anchor: {
        x: number;
        y: number;
    };
    tooltip_size: {
        width: number;
        height: number;
    };
    bounds: Rect;
    exclusion_rects?: readonly Rect[];
    offset?: {
        x: number;
        y: number;
    };
};
export declare const DEFAULT_CURSOR_SIZE: {
    readonly width: 18;
    readonly height: 24;
};
type TooltipPlacementCandidate = {
    direction: TooltipPlacementDirection;
    x: number;
    y: number;
    rect: Rect;
    overlap_area: number;
    distance_penalty: number;
    flip_penalty: number;
    score: number;
};
export declare function get_tooltip_placement_candidates({ anchor, tooltip_size, bounds, exclusion_rects, offset, }: TooltipPlacementConfig): TooltipPlacementCandidate[];
export declare const place_tooltip: (config: TooltipPlacementConfig) => TooltipPlacementCandidate;
export {};