export interface BemMods {
    [key: string]: number | boolean | string | undefined | null;
}
export declare function block(blockName: string): (elemName?: string | BemMods, elemMods?: BemMods) => string;
export declare namespace block {
    var prefix: string;
}
export declare function classname(blockName: string, elemName?: string | BemMods, elemMods?: BemMods): string;