import { ConnectedPosition } from '@angular/cdk/overlay';
export type HorizontalPlacement = 'start' | 'end';
export type VerticalPlacement = 'top' | 'bottom';
export type Placement = HorizontalPlacement | VerticalPlacement | `${HorizontalPlacement} ${VerticalPlacement}` | `${VerticalPlacement} ${HorizontalPlacement}`;
/**
 * Converts our `Placement` input (which is aligned with react implementation), to Angular CDK
 * `ConnectedPosition`
 * @param placement
 */
export declare function toConnectedPosition(placement: Placement): ConnectedPosition;
export declare function flip(placement: Placement): Placement;