import type { Element } from 'chart.js';
import type { DrawRect } from './geometry';
import type { TreemapCaptionsOptions, TreemapConfig, TreemapDataPoint, TreemapDisplayMode, TreemapOptions, TreemapScriptableContext } from './types';
type RectSize = {
    h: number;
    w: number;
};
type RectHeight = {
    h: number;
};
type TextElement = Element<TreemapConfig, TreemapOptions> & {
    $context?: TreemapScriptableContext;
};
export declare function shouldDrawCaption(displayMode: TreemapDisplayMode, rect: RectSize, options?: Partial<TreemapCaptionsOptions>): boolean;
export declare function getCaptionHeight(displayMode: TreemapDisplayMode, rect: RectHeight, font: {
    lineHeight: number;
}, padding: number): number;
export declare function drawText(ctx: CanvasRenderingContext2D, rect: DrawRect, options: TreemapOptions, item: TreemapDataPoint, element: TextElement): void;
export declare function drawDivider(ctx: CanvasRenderingContext2D, rect: DrawRect, options: TreemapOptions, item: TreemapDataPoint): void;
export {};