import type { BarSeries, DataSeries, DataSeries3D, HistogramSeries } from '../plot';
export type PlotType = `scatter` | `scatter3d` | `bar` | `histogram` | `table`;
interface ColumnInfo {
    values: unknown[];
    type: `numeric` | `string` | `mixed`;
}
export interface AxisMapping {
    x?: string;
    y?: string;
    z?: string;
    color?: string;
    size?: string;
}
export declare function extract_columns(data: unknown): Map<string, ColumnInfo>;
export declare const col_keys: (columns: Map<string, ColumnInfo>, type: ColumnInfo[`type`]) => string[];
export declare function suggest_mapping(columns: Map<string, ColumnInfo>): {
    plot_type: PlotType;
    mapping: AxisMapping;
};
export declare function build_scatter_series(columns: Map<string, ColumnInfo>, mapping: AxisMapping): DataSeries;
export declare function build_scatter3d_series(columns: Map<string, ColumnInfo>, mapping: AxisMapping): DataSeries3D;
export declare function build_bar_series(columns: Map<string, ColumnInfo>, mapping: AxisMapping): BarSeries;
export declare function build_histogram_series(columns: Map<string, ColumnInfo>, mapping: AxisMapping): HistogramSeries;
export {};