import QueryBuilder from "../Builder/QueryBuilder.js";
declare const QueryBuilderExtension_base: {
    new (...args: any[]): {
        _attributes: import("../../dist/types/Attribute.js").Attributes;
        getAttribute(key: string): any;
        setAttribute(key: string, value: any): void;
        hasAttribute(key: string): boolean;
        removeAttribute(key: string): void;
        getAttributes(): import("../../dist/types/Attribute.js").Attributes;
        setAttributes(attributes: import("../../dist/types/Attribute.js").Attributes): void;
    };
} & typeof QueryBuilder;
declare class QueryBuilderExtension extends QueryBuilderExtension_base {
}
export default QueryBuilderExtension;