import { AccessorFunction, Color } from '@deck.gl/core';
import { Feature } from 'geojson';
import { AttributeSelector } from "./utils.js";
/**
 * Helper function for quickly creating a color bins style based on `d3` `scaleThreshold`.
 *
 * Data values of each attribute are rounded down to the nearest value in the domain and are then
 * styled with the corresponding color.
 *
 * @return accessor that maps objects to `Color` values
 */
export default function colorBins<DataT = Feature>({ attr, domain, colors, nullColor }: {
    /** Attribute or column to symbolize by. */
    attr: AttributeSelector<DataT, number>;
    /** Category list. Must be a valid list of categories. */
    domain: number[];
    /**
     * Color assigned to each domain value.
     *
     * Either Array of colors in RGBA or valid named CARTOColors palette.
     * @default `PurpOr`
     */
    colors?: string | Color[];
    /** Color for null values. @default: [204, 204, 204] */
    nullColor?: Color;
}): AccessorFunction<DataT, Color>;
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