export declare type Scaler<T> = {
    scale: (value: T) => number;
    bandwidth?: (value?: T) => number;
};
export declare type NumberRange = readonly [number, number];
declare type ScaleBandParams = {
    domain: readonly string[];
    range: NumberRange;
    paddingInner?: number;
    paddingOuter?: number;
    align?: number;
};
export declare const scaleBand: ({ domain, range, paddingInner, paddingOuter, align, }: ScaleBandParams) => Scaler<string>;
declare type ScaleLinearParams = {
    domain: readonly number[];
    range: NumberRange;
};
export declare const scaleLinear: ({ domain, range }: ScaleLinearParams) => Scaler<number>;
export {};