/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { VtsProgressColorGradient, VtsProgressGradientProgress } from './typings';
export declare const sortGradient: (gradients: VtsProgressGradientProgress) => {
    key: number;
    value: string;
}[];
export declare const handleCircleGradient: (strokeColor: VtsProgressGradientProgress) => Array<{
    offset: string;
    color: string;
}>;
export declare const handleLinearGradient: (strokeColor: VtsProgressColorGradient) => string;