export function regExpToken(regExp: any, transform?: StringConstructor): (node: any) => string | null;
export function SPACE(node: any): "<token>" | null;
export function SLASH(node: any): "<token>" | null;
export function COMMA(node: any): "<token>" | null;
export function WORD(node: any): any;
export function NONE(node: any): string | null;
export function AUTO(node: any): string | null;
export function NUMBER(node: any): string | null;
export function LENGTH(node: any): string | null;
export function UNSUPPORTED_LENGTH_UNIT(node: any): string | null;
export function ANGLE(node: any): string | null;
export function PERCENT(node: any): string | null;
export function IDENT(node: any): string | null;
export function STRING(node: any): any;
export function COLOR(node: any): any;
export function LINE(node: any): string | null;