import type { NumericArray } from "@thi.ng/api";
import type { IRandom } from "@thi.ng/random";
import type { Color, ColorFactory, ReadonlyColor, TypedColor } from "../api.js";
export declare class LabD50 implements TypedColor<LabD50> {
    buf: NumericArray;
    offset: number;
    stride: number;
    l: number;
    a: number;
    b: number;
    alpha: number;
    [id: number]: number;
    readonly mode: "lab50";
    readonly length: 4;
    readonly range: [ReadonlyColor, ReadonlyColor];
    readonly xyz: [number, number, number];
    [Symbol.iterator](): Iterator<number, any, undefined>;
    clamp(): this;
    copy(): LabD50;
    copyView(): LabD50;
    deref(): Color;
    empty(): LabD50;
    eqDelta(o: LabD50, eps?: number): boolean;
    randomize(rnd?: IRandom): this;
    set(src: ReadonlyColor): this;
    toJSON(): number[];
}
export declare const labD50: ColorFactory<LabD50>;
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