/**
 * @file animate-zoom.ts
 * Animation utilities for zoom transitions
 */
import type { ZoomTransform } from '../types/chart.types';
import type { Dispatch } from '@composable-svelte/core';
import type { ChartAction } from '../types/chart.types';
/**
 * Animate zoom transform with custom easing
 * Uses requestAnimationFrame for smooth 60fps transitions
 */
export declare function animateZoomTransition(from: ZoomTransform, to: ZoomTransform, dispatch: Dispatch<ChartAction<any>>, onProgress: (transform: ZoomTransform) => void): Promise<void>;
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