import * as CSS from 'csstype';
import { Collisions } from './collision';
import { Side, Align, Point, Size } from './geometry';
declare type GetPlacementDataOptions = {
    /** The rect of the target we are placing around */
    targetRect?: ClientRect;
    /** The size of the popper to place */
    popperSize?: Size;
    /** An optional arrow size */
    arrowSize?: Size;
    /** An optional arrow offset (along the side, default: 20) */
    arrowOffset?: number;
    /** The desired side */
    side: Side;
    /** An optional side offset (distance from the side, default: 0)  */
    sideOffset?: number;
    /** The desired alignment */
    align: Align;
    /** An optional alignment offset (distance along the side, default: 0) */
    alignOffset?: number;
    /** An option to turn on/off the collision handling (default: true) */
    shouldAvoidCollisions?: boolean;
    /** The tolerance used for collisions, ie. if we want them to trigger a bit earlier (default: 0) */
    collisionTolerance?: number;
};
declare type PlacementData = {
    popperStyles: CSS.Properties;
    arrowStyles: CSS.Properties;
    transformOriginStyles: CSS.Properties;
    adjustedSide: Side;
    adjustedAlign: Align;
};
/**
 * Given all the information necessary to compute it,
 * this function calculates all the necessary placement data.
 *
 * It will return:
 *
 * - the styles to apply to the popper
 * - the styles to apply to the arrow
 * - some styles that could be useful to set the transform origin in the right place
 * - the adjusted side (because it might have changed because of collisions)
 * - the adjusted align (because it might have changed because of collisions)
 */
export declare function getPlacementData({ targetRect, popperSize, arrowSize, arrowOffset, side, sideOffset, align, alignOffset, shouldAvoidCollisions, collisionTolerance, }: GetPlacementDataOptions): PlacementData;
/**
 * Gets an adjusted side based on collision information
 */
export declare function getSideAccountingForCollisions(
/** The side we want to ideally position to */
side: Side, 
/** The collisions for this given side */
collisions: Collisions, 
/** The collisions for the opposite side (if we were to swap side) */
oppositeSideCollisions: Collisions): Side;
/**
 * Gets an adjusted alignment based on collision information
 */
export declare function getAlignAccountingForCollisions(
/** The size of the popper to place */
popperSize: Size, 
/** The size of the target we are placing around */
targetSize: Size, 
/** The final side */
side: Side, 
/** The desired align */
align: Align, 
/** The collisions */
collisions: Collisions): Align;
export declare function getPlacementStylesForPoint(point: Point): CSS.Properties;
export {};