import { BaseWidget } from '../base-widget';
import { NgAisInstantSearch } from '../instantsearch/instantsearch';
import { NgAisIndex } from '../index-widget/index-widget';
export declare type NumericMenuItem = {
    label: string;
    value: string;
    isRefined: boolean;
};
export declare type NumericMenuState = {
    createURL: Function;
    items: NumericMenuItem[];
    refine: Function;
    hasNoResults?: boolean;
};
export declare class NgAisNumericMenu extends BaseWidget {
    parentIndex: NgAisIndex;
    instantSearchInstance: NgAisInstantSearch;
    attribute: string;
    items: {
        label: string;
        start?: number;
        end?: number;
    }[];
    transformItems?: <U extends NumericMenuItem>(items: NumericMenuItem[]) => U[];
    state: NumericMenuState;
    get isHidden(): boolean;
    constructor(parentIndex: NgAisIndex, instantSearchInstance: NgAisInstantSearch);
    ngOnInit(): void;
    refine(event: MouseEvent, item: {
        value: string;
    }): void;
}