import type { ECOption } from './echarts';
import type { IDataInputItem, IChartInput, IPieChartInput, IChartType, PropsType } from './types';
export declare const checkIsNewData: (props: PropsType) => boolean;
export declare function transform(chartType: 'pie', dataInput: Readonly<IDataInputItem[]>, chartInput: IPieChartInput): ECOption & {
    color: string[];
};
export declare function transform(chartType: 'bar' | 'line', dataInput: Readonly<IDataInputItem[]>, chartInput: IChartInput): ECOption;
export declare function transform(chartType: IChartType, dataInput: Readonly<IDataInputItem[]>, chartInput: Readonly<typeof chartType extends 'bar' | 'line' ? IChartInput : typeof chartType extends 'pie' ? IPieChartInput : IPieChartInput & IChartInput>): ECOption;