import { QueryStringItem } from './_types';
export default class QueryStringCollection {
    #private;
    constructor(items?: QueryStringItem[]);
    get items(): QueryStringItem[];
    item(name: string): unknown;
    toObject(): Record<string, unknown>;
    toString(): string;
    static merge(...queryStringCollections: QueryStringCollection[]): QueryStringCollection;
    static createFromQueryString(queryString: string): QueryStringCollection;
    static createFromObject(queryStringObject: Record<string, unknown>): QueryStringCollection;
}