import { Renderable } from './dom';
export interface TagQueryOptions {
    all?: boolean;
}
export interface Taggable {
    tags?: Set<string> | string[];
}
export declare class TagUtil {
    static query(root: Renderable, tags: string[], options?: TagQueryOptions): Renderable[];
    static matches<T extends Taggable>(items: T[], tags: string[], options?: TagQueryOptions): T[];
    static matchesTags<T extends Taggable>(item: T, tags?: string[], options?: TagQueryOptions): boolean;
    static has(list: Set<string> | string[], item: string): boolean;
    static add(list: Set<string> | string[], item: string): void;
    static addTags<T extends Taggable>(item: T, tags: string[], options?: {
        initSet?: boolean;
    }): void;
}