import { Emitter } from '@mantou/gem/lib/decorators';
import { GemElement } from '@mantou/gem/lib/element';
import './gesture';
import './area-chart';
declare type State = {
    grabbing: boolean;
    newValue?: number[];
};
/**
 * @customElement dy-chart-zoom
 */
export declare class DuoyunChartZoomElement extends GemElement<State> {
    #private;
    values?: (number | null)[][];
    value: number[];
    change: Emitter<number[]>;
    state: State;
    constructor();
    render: () => import("lit-html/lib/template-result").TemplateResult;
}
export {};
//# sourceMappingURL=chart-zoom.d.ts.map