import { ChartTransformer } from '../types';
import { ExtendedEChartsOption } from '../../types/echarts';

/**
 * Mix Line Bar Chart JSON Transformer
 */
export declare class MixLineBarChartTransformer implements ChartTransformer {
    /**
     * 轉換圖表配置
     * @param input 輸入的圖表配置
     * @returns 轉換後的圖表配置
     */
    transform(input: ExtendedEChartsOption): Promise<ExtendedEChartsOption>;
}
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