import { DomainStops, Field as KeplerField, ZoomStopsConfig } from '@kepler.gl/types';
import { DomainQuantiles } from '@kepler.gl/utils';
export declare function isDomainStops(domain: unknown): domain is DomainStops;
export declare function isDomainQuantiles(domain: unknown): domain is DomainQuantiles;
export declare function isIndexedField(field?: KeplerField | null): boolean;
export declare function getPropertyByZoom(config: ZoomStopsConfig | undefined, defaultValue: number): (zoom: number) => number;
/**
 * Remove null/0 values from the bottom of the quantiles. If the column has many nulls
 * or 0s at the bottom of the quantiles, it will wash out color scales and produce
 * meaningless "no value" legend entries. We want to keep the first 0 and no others.
 * Operates in place.
 */
export declare function pruneQuantiles(quantiles: number[]): void;