export declare type sizeType = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
export declare class WhiteSpace {
    prefixCls: string;
    size: sizeType;
    amWhiteSpace: boolean;
    readonly amWhitespaceXs: boolean;
    readonly amWhitespaceSm: boolean;
    readonly amWhitespaceMd: boolean;
    readonly amWhitespaceLg: boolean;
    readonly amWhitespaceXl: boolean;
    constructor();
}