import { Bin } from '@kepler.gl/types';
import { DataContainerInterface } from './data-container-interface';
export declare const NUMERIC_BIN_COUNT = 20;
export declare enum ColumnStatsType {
    numeric = "numeric",
    categorical = "categorical",
    boolean = "boolean",
    time = "time",
    geo = "geo",
    other = "other"
}
export type Quantile = {
    label: string;
    value: number | null;
};
export type NumericColumnStats = {
    type: ColumnStatsType.numeric;
    bins: Bin[];
    quantiles: Quantile[];
    mean: number | null;
    std: number | null;
    percentNulls: number | null;
};
export type CategoricalColumnStats = {
    type: ColumnStatsType.categorical;
    uniqueValues: number;
    percentNulls: number | null;
};
export type TimeColumnStats = {
    type: ColumnStatsType.time;
    bins: Bin[];
    min: number | null;
    max: number | null;
    percentNulls: number | null;
};
export type BooleanColumnStats = {
    type: ColumnStatsType.boolean;
};
export type GeometryColumnStats = {
    type: ColumnStatsType.geo;
};
export type UnknownColumnStats = {
    type: ColumnStatsType.other;
};
export type ColumnStats = NumericColumnStats | BooleanColumnStats | CategoricalColumnStats | TimeColumnStats | GeometryColumnStats | UnknownColumnStats;
export declare function collectColumnValues(dataContainer: DataContainerInterface, fieldIdx: number): unknown[];
export declare function computeColumnStats(values: readonly unknown[], fieldType: string): ColumnStats;
/**
 * Compute column statistics asynchronously so the UI can paint a loading state first.
 */
export declare function getColumnStatistics({ values, fieldType }: {
    values: readonly unknown[];
    fieldType: string;
}): Promise<ColumnStats>;