import type { CSSProperty } from '../CSSProperty';
import type { DisplayObject } from '../../display-objects';
import { parseColor, mergeColors } from '../parser';
import type { CSSGradientValue } from '../cssom';
import { CSSKeywordValue, CSSRGB } from '../cssom';
import type { StyleValueRegistry } from '../interfaces';
/**
 * opacity
 */
export declare class CSSPropertyColor implements Partial<CSSProperty<CSSRGB | CSSGradientValue | CSSKeywordValue, CSSRGB | CSSGradientValue>> {
    parser: typeof parseColor;
    calculator(name: string, oldParsed: CSSRGB | CSSGradientValue | CSSKeywordValue, parsed: CSSRGB | CSSGradientValue | CSSKeywordValue, object: DisplayObject, registry: StyleValueRegistry): CSSRGB | CSSGradientValue;
    mixer: typeof mergeColors;
}