import { PlacementArray } from '../util/positioning';
/**
 * Configuration service for the NgbTooltip directive.
 * You can inject this service, typically in your root component, and customize the values of its properties in
 * order to provide default values for all the tooltips used in the application.
 */
export declare class NgbTooltipConfig {
    placement: PlacementArray;
    triggers: string;
    container: string;
    disableTooltip: boolean;
}