import { FeatureLayerFieldFormatted } from '../../types';
/**
 * Checks if the provided field information object has a valid field value type.
 *
 * @param fieldInfo - The field information object to validate.
 * @returns `true` if the field information contains a valid `fieldValueType` in its description; otherwise, `false`.
 */
export declare const isValidFieldValueType: (fieldInfo: FeatureLayerFieldFormatted) => boolean;
/**
 * Calculates the proportion of fields in the provided array that have a valid field value type assigned.
 *
 * @param fields - An array of `FeatureLayerFieldFormatted` objects to be evaluated.
 * @returns The proportion (between 0 and 1) of fields that have a valid value type.
 *          Returns 0 if the input array is empty, not an array, or undefined.
 */
export declare const getPercentFieldsWithValueType: (fields: FeatureLayerFieldFormatted[]) => number;