import type { Colord } from "./colord";
import type postcssValueParser from "postcss-value-parser";
import { AbsColor } from "./color-class";
import type { AlphaArgument, AlphaArgumentValid, FunctionArgument, NumberWithUnit, ValuesArgument, ValuesArgumentComplete } from "./parser";
export declare class ColorFromLab extends AbsColor {
    private readonly lab;
    constructor(lab: LabData | IncompleteLabData);
    readonly type = "lab";
    isComplete(): boolean;
    getAlpha(): number | null;
    removeAlpha(): ColorFromLab;
    toColorString(): string;
    protected newColord(): Colord | null;
}
export type LabValue = {
    lightness: NumberWithUnit<"%">;
    a: NumberWithUnit<"">;
    b: NumberWithUnit<"">;
};
export type LabData = {
    complete: true;
    rawName: string;
    lab: ValuesArgumentComplete<LabValue>;
    alpha: AlphaArgumentValid | null;
    extraArgs?: undefined;
};
export type IncompleteLabData = {
    complete: false;
    rawName: string;
    lab: ValuesArgument<LabValue>;
    alpha: AlphaArgument | null;
    extraArgs: FunctionArgument[];
};
export declare function parseLab(input: string | postcssValueParser.Node): LabData | IncompleteLabData | null;