import { ZoomPluginModifierKey } from './ZoomPluginModifierKey';
import { ZoomPluginDrawTime } from './ZoomPluginDrawTime';
export declare class ZoomPluginZoomDrag {
    id?: number;
    uuid: string;
    /**
     * Enable drag-to-zoom
     */
    enabled: boolean;
    /**
     * Fill color
     */
    backgroundColor: string;
    /**
     * Stroke color
     */
    borderColor: string;
    /**
     * Stroke width
     */
    borderWidth: number;
    /**
     * When the dragging box is drawn on the chart
     */
    drawTime: ZoomPluginDrawTime;
    /**
     * Minimal zoom distance required before actually applying zoom
     */
    threshold: number;
    /**
     * Modifier key required for drag-to-zoom
     */
    modifierKey: ZoomPluginModifierKey;
    /**
     * Maintain aspect ratio of the chart
     */
    maintainAspectRatio: boolean;
}