import { TooltipConfig } from '@/types';
/**
 * Tooltip component for displaying energy data on hover
 */
export declare class Tooltip {
    private element;
    private config;
    private representation;
    private chartContainer;
    constructor(container: string | HTMLElement, chartContainer: HTMLElement, config: TooltipConfig);
    /**
     * Show tooltip with energy data
     */
    show(data: {
        year: number;
        energySource: string;
        value: number;
    }, event: MouseEvent): void;
    /**
     * Show tooltip at a specific screen position (for circle positioning)
     */
    showAtPosition(data: {
        year: number;
        energySource: string;
        value: number;
    }, screenX: number, screenY: number): void;
    /**
     * Show tooltip with center aligned to circle center
     */
    showCenteredWithCircle(data: {
        year: number;
        energySource: string;
        value: number;
    }, circleScreenX: number, circleScreenY: number): void;
    /**
     * Show tooltip centered with circle using chart-relative coordinates (more reliable)
     */
    showCenteredWithChartCoordinates(data: {
        year: number;
        energySource: string;
        value: number;
    }, _chartX: number, _chartY: number): void;
    /**
     * Position tooltip using the actual screen position of the hover circle
     */
    private updatePositionUsingActualCirclePosition;
    /**
     * Show tooltip centered vertically with the circle, positioned to the right
     */
    showAtCirclePosition(data: {
        year: number;
        energySource: string;
        value: number;
    }, circleScreenX: number, circleScreenY: number): void;
    /**
     * Hide tooltip
     */
    hide(): void;
    /**
     * Update tooltip position following mouse cursor
     */
    updatePosition(event: MouseEvent): void;
    /**
     * Convert page coordinates to container-relative coordinates with full transform support
     */
    private convertToContainerCoordinates;
    /**
     * Parse CSS transform matrix string into a usable matrix object
     */
    private parseTransformMatrix;
    /**
     * Apply inverse transform to coordinates
     */
    private applyInverseTransform;
    /**
     * Update tooltip position from container-relative coordinates
     */
    updatePositionFromCoords(containerX: number, containerY: number): void;
    /**
     * Get effective container bounds for tooltip positioning
     */
    private getContainerBounds;
    /**
     * Update tooltip position with tooltip center aligned to circle center
     */
    updatePositionWithCenterAlignedToCircle(circleScreenX: number, circleScreenY: number): void;
    /**
     * Update tooltip position centered vertically with circle, positioned to the right
     * Coordinates are chart-relative (from chartGroup coordinate system)
     */
    updatePositionCenteredWithCircle(chartX: number, chartY: number): void;
    /**
     * Update data representation mode for proper formatting
     */
    setRepresentation(representation: string): void;
    /**
     * Update tooltip configuration
     */
    updateConfig(newConfig: Partial<TooltipConfig>): void;
    /**
     * Check if tooltip is currently visible
     */
    isVisible(): boolean;
    /**
     * Destroy tooltip and clean up
     */
    destroy(): void;
    /**
     * Get tooltip DOM element for advanced usage
     */
    getElement(): HTMLElement | null;
}
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