export declare const canApplyCssRuleToElement: (cssRule: string, element: any) => any;
export declare const canRemoveCssClassFromElement: (cssRule: string, element: any) => boolean;
export declare const getAllClassesFromSelector: (cssSelector: string) => Set<string>;
export declare const isCssSelectorValid: (cssSelector: string) => boolean;
export declare const camelToSnakeCase: (str: string) => string;