import { LooseObject } from '@antv/g-base';
import { Datum } from '@antv/g2/lib/interface';
import { ChartConfig, ChartOptions } from '../interfaces';
export declare const inValidConfig: (config: ChartConfig) => boolean;
export declare const getTheme: (theme?: string | LooseObject | Datum | undefined) => LooseObject | Datum;
export declare const getDefaultTheme: (theme?: LooseObject | undefined, config?: ChartConfig | undefined) => {
    styleSheet: {
        paletteQualitative10: string[];
        paletteQualitative20: string[];
    };
    components: {
        axis: {
            common: {
                title: {
                    style: {
                        fontFamily: string;
                        fontSize: number;
                        fill: string;
                    };
                };
                label: {
                    offset: number;
                    style: {
                        fontFamily: string;
                        fontSize: number;
                        fill: string;
                    };
                };
                line: {
                    style: {
                        lineWidth: number;
                        stroke: string;
                    };
                };
                grid: {
                    line: {
                        type: string;
                        style: {
                            stroke: string;
                            lineWidth: number;
                        };
                    };
                    alignTick: boolean;
                    animate: boolean;
                };
                tickLine: null;
                subTickLine: null;
            };
        };
        tooltip: {
            crosshairs: {
                line: {
                    style: {
                        stroke: string;
                    };
                };
            };
        };
    };
    labels: {
        offset: number;
        style: {
            fontFamily: string;
            fill: string;
            fontSize: number;
        };
    };
    gio: {
        annotation: {
            text: {
                title: import("@antv/g2/lib/interface").TextOption;
                count: import("@antv/g2/lib/interface").TextOption;
            };
        };
    };
} & (LooseObject | undefined) & (LooseObject | Datum);
export declare const getDefaultViewTheme: (config?: ChartConfig | undefined) => {
    styleSheet: {
        paletteQualitative10: string[];
        paletteQualitative20: string[];
    };
    components: {
        axis: {
            common: {
                title: {
                    style: {
                        fontFamily: string;
                        fontSize: number;
                        fill: string;
                    };
                };
                label: {
                    offset: number;
                    style: {
                        fontFamily: string;
                        fontSize: number;
                        fill: string;
                    };
                };
                line: {
                    style: {
                        lineWidth: number;
                        stroke: string;
                    };
                };
                grid: {
                    line: {
                        type: string;
                        style: {
                            stroke: string;
                            lineWidth: number;
                        };
                    };
                    alignTick: boolean;
                    animate: boolean;
                };
                tickLine: null;
                subTickLine: null;
            };
        };
        tooltip: {
            crosshairs: {
                line: {
                    style: {
                        stroke: string;
                    };
                };
            };
        };
    };
    labels: {
        offset: number;
        style: {
            fontFamily: string;
            fill: string;
            fontSize: number;
        };
    };
    gio: {
        annotation: {
            text: {
                title: import("@antv/g2/lib/interface").TextOption;
                count: import("@antv/g2/lib/interface").TextOption;
            };
        };
    };
} & {
    components: {
        axis: {
            common: {
                label: {
                    style: {
                        fontSize: number;
                        fill: string;
                    };
                };
                line: {
                    style: {
                        fontSize: number;
                        stroke: string;
                    };
                };
            };
        };
    };
    labels: {
        style: {
            fontSize: number;
            fill: string;
        };
    };
};
export declare const fixedHeight: (options: ChartOptions, config: ChartConfig) => number;