/** Core */
import { Generic } from "cmf.core/src/core";
/**
 * Business combo box generic service
 */
export declare class ComboBoxService extends Generic {
    /**
     * Placeholder method used to get data, each extended class should implement a specific version
     */
    getData(): Promise<any[]>;
    /**
     * Placeholder method used to get nested navigation component instance, used for navigation purposes
     * @param selectedValue Combo box currently selected value
     */
    getNavigationInstance(value: any): any;
}