import type { CSSUnitValue } from '../cssom';
import type { CSSProperty } from '../CSSProperty';
/**
 * opacity
 */
export declare class CSSPropertyOpacity implements Partial<CSSProperty<CSSUnitValue, number>> {
    parser: {
        (...args: any[]): any;
        cache: Map<any, any>;
    };
    parserWithCSSDisabled: any;
    calculator(name: string, oldParsed: CSSUnitValue, computed: CSSUnitValue): number;
    mixer: (left: number, right: number) => [number, number, (i: number) => string];
}
//# sourceMappingURL=CSSPropertyOpacity.d.ts.map