import type { ISequenceScatterKDESpec } from './interface';
import { CommonChartSpecTransformer } from '@visactor/vchart';
export declare class SequenceScatterKDEChartSpecTransformer extends CommonChartSpecTransformer<any> {
    transformSpec(spec: any): void;
}
export declare function processSequenceData(spec: ISequenceScatterKDESpec): any[];