import { IViewField } from '../../interfaces';
import { IFieldFeatures } from './types';
/**
 * Compute the statistical features of a field selection.
 * This is the "三特征" step of Auto Viz: dimension count, measure count and
 * special data types (temporal / ordinal / geographic).
 */
export declare function extractFeatures(fields: IViewField[], geoFeatureReady?: boolean): IFieldFeatures;