import { IScope } from 'angular';
export declare class DropdownList {
    private readonly scope;
    private readonly element;
    private readonly attrs;
    private readonly controllers;
    private readonly transclude;
    private readonly config;
    private searcher;
    private deferredId;
    private readonly $timeout;
    constructor(scope: IScope, element: any, attrs: any, controllers: Record<string, any>, transclude: ng.ITranscludeFunction, config: {
        optionsAlias: string;
        isArray?: boolean;
        options?: Record<string, any>;
    });
    private reset;
    private format;
    private parse;
    private validate;
    private render;
    private applySearchText;
    private setOptions;
    private initOptions;
    private search;
    renderToggle(): {
        html: any;
    };
    renderOption(option: any): {
        html: any;
    };
}