import { DataPointTooltip, TooltipTemplate, TooltipMeasurement, TooltipPosition, TooltipTheme, TooltipType } from '../types';

/**
 * Default Data Point Template
 *
 * Visual layout:
 * ┌──────────────────────────┐
 * │  ● Series Name           │
 * │  ─────────────────────── │
 * │  X:   0.500              │
 * │  Y:   1.234              │
 * │  ± Error: 0.05           │
 * └──────────────────────────┘
 */
export declare class DefaultTooltipTemplate implements TooltipTemplate<DataPointTooltip> {
    readonly id = "default";
    readonly name = "Default Data Point";
    readonly supportedTypes: TooltipType[];
    private cachedKey;
    private cachedMeasurement;
    /**
     * Measure tooltip dimensions
     */
    measure(ctx: CanvasRenderingContext2D, data: DataPointTooltip, theme: TooltipTheme): TooltipMeasurement;
    /**
     * Render the tooltip
     */
    render(ctx: CanvasRenderingContext2D, data: DataPointTooltip, position: TooltipPosition, measurement: TooltipMeasurement, theme: TooltipTheme): void;
}
export declare const defaultTooltipTemplate: DefaultTooltipTemplate;