import { DataStructure } from './data';
/** 空数据处理的三种类型 */
export declare enum EmptyDataProcess {
    Axis = 0,
    Polar = 1,
    Background = 2
}
/** 根据数据量判断是否是空数据 */
export declare function isEmptyData(dataSize: number): boolean;
/** 根据空数据处理类型、数据结构类型进行空数据处理，个别图表需要特殊处理 */
export declare function processEmptyData(emptyType: EmptyDataProcess, dataType: DataStructure, chartName: string): {
    data: any[];
    config: {
        xAxis: {
            min: number;
            max: number;
            label: boolean;
        };
        yAxis: {
            min: number;
            max: number;
            label: boolean;
        };
        padding: number;
        legend?: undefined;
        tooltip?: undefined;
        colors?: undefined;
        label?: undefined;
    };
} | {
    data: {
        x: string;
        y: number;
    }[];
    config: {
        xAxis: {
            label: boolean;
            min?: undefined;
            max?: undefined;
        };
        yAxis: {
            min: number;
            max: number;
            label: boolean;
        };
        legend: boolean;
        tooltip: boolean;
        colors: string;
        padding?: undefined;
        label?: undefined;
    };
} | {
    data: {
        x: string;
        y: number;
    }[];
    config: {
        legend: boolean;
        tooltip: boolean;
        colors: string;
        label: boolean;
        xAxis?: undefined;
        yAxis?: undefined;
        padding?: undefined;
    };
} | {
    data: {
        children: {
            name: string;
            value: number;
        }[];
        name?: undefined;
        nodes?: undefined;
        links?: undefined;
    };
    config: {
        legend: boolean;
        tooltip: boolean;
        colors: string;
        label: boolean;
        xAxis?: undefined;
        yAxis?: undefined;
        padding?: undefined;
    };
} | {
    data: {
        x: number;
        y: number;
    }[];
    config: {
        padding: number;
        xAxis: boolean;
        yAxis: boolean;
        tooltip: boolean;
        legend: boolean;
        colors?: undefined;
        label?: undefined;
    };
} | {
    data: {
        name: string;
        children: any[];
        nodes?: undefined;
        links?: undefined;
    };
    config: {
        padding: number;
        xAxis: boolean;
        yAxis: boolean;
        tooltip: boolean;
        legend: boolean;
        colors: string;
        label?: undefined;
    };
} | {
    data: {
        nodes: any[];
        links: any[];
        children?: undefined;
        name?: undefined;
    };
    config: {
        padding: number;
        xAxis: boolean;
        yAxis: boolean;
        tooltip: boolean;
        legend: boolean;
        colors?: undefined;
        label?: undefined;
    };
};