import { CSSStyle, DslDefinitionStyle, StandardNumber } from '@oinone/kunlun-shared';
/**
 * CSS样式帮助类
 */
export declare class StyleHelper {
    /**
     * style解析
     * @param style
     */
    static parse(style: string | CSSStyle | undefined): CSSStyle | undefined;
    /**
     * 格式化px单位
     * @param val
     */
    static px(val: StandardNumber): string | undefined;
    static convertStyleByDslDefinition(dsl: DslDefinitionStyle | Record<string, unknown> | undefined): CSSStyle | undefined;
    private static convertStyleByDslDefinitionForAppearance;
    private static convertStyleByDslDefinitionForLayout;
    private static convertStyleByDslDefinitionForBorder;
}
