export declare const useNamespace: (block: string) => {
    b: (blockSuffix?: string) => string;
    e: (element?: string | undefined) => string;
    m: (modifier?: string | undefined) => string;
    is: (name: string, ...args: [boolean | undefined] | []) => string;
    cssVarBlock: (object: Record<string, string>) => Record<string, string>;
};