import { CalloutComponent } from './callout.component';
type Dimensions = {
    width: number;
    height: number;
};
type Point = {
    x: number;
    y: number;
};
export type Box = Point & Dimensions;
export type Anchor = Point & {
    position: CalloutComponent.AnchoredPosition;
};
export declare function getOrigin(anchor: Box, client: Dimensions, viewportSize: Dimensions, preferredPosition: CalloutComponent.AnchoredPosition, allowedPositions: ("top-left" | "top-center" | "top-right" | "right-top" | "center-right" | "right-bottom" | "bottom-right" | "bottom-center" | "bottom-left" | "left-bottom" | "center-left" | "left-top")[] | null | undefined, fallbackDirection: CalloutComponent.Direction, additionalOffset: number): Anchor;
export declare function originAtPosition(anchor: Box, client: Dimensions, position: CalloutComponent.AnchoredPosition, offset: number): Point;
export {};