import { JsonObject, QueryFormData } from '@superset-ui/core';
export type Buckets = {
    break_points: string[];
    num_buckets: string;
};
export type BucketsWithColorScale = Buckets & {
    linear_color_scheme: string | string[];
    opacity: number;
};
export declare function getBreakPoints({ break_points: formDataBreakPoints, num_buckets: formDataNumBuckets, }: Buckets, features: JsonObject[], accessor: (value: JsonObject) => number | undefined): string[];
export declare function getBreakPointColorScaler({ break_points: formDataBreakPoints, num_buckets: formDataNumBuckets, linear_color_scheme: linearColorScheme, opacity, }: BucketsWithColorScale, features: JsonObject[], accessor: (value: JsonObject) => number | undefined): ((d: JsonObject) => [number, number, number, number]) | null;
export declare function getBuckets(fd: QueryFormData & BucketsWithColorScale, features: JsonObject[], accessor: (value: JsonObject) => number | undefined): {};
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