/** @packageDocumentation
 * @module Widget
 */
import "./ResizeGrip.scss";
import * as React from "react";
import { CommonProps, PointProps, RectangleProps } from "@bentley/ui-core";
/** Available resize directions of resize grip.
 * @alpha
 */
export declare enum ResizeDirection {
    EastWest = 0,
    NorthSouth = 1,
    NorthEast_SouthWest = 2,
    NorthWest_SouthEast = 3
}
/** Helpers for [[ResizeDirection]].
 * @alpha
 */
export declare class ResizeDirectionHelpers {
    /** Class name of [[ResizeDirection.EastWest]] */
    static readonly EW_CLASS_NAME = "nz-direction-ew";
    /** Class name of [[ResizeDirection.NorthSouth]] */
    static readonly NS_CLASS_NAME = "nz-direction-ns";
    /** Class name of [[ResizeDirection.NorthEast_SouthWest]] */
    static readonly NE_SW_CLASS_NAME = "nz-direction-ne-sw";
    /** Class name of [[ResizeDirection.NorthWest_SouthEast]] */
    static readonly NW_SE_CLASS_NAME = "nz-direction-nw-se";
    /** @returns Returns class name of specified [[ResizeDirection]] */
    static getCssClassName(direction: ResizeDirection): string;
}
/** Arguments used in resize actions of [[ResizeGrip]] component.
 * @alpha
 */
export interface ResizeGripResizeArgs {
    /** Pointer position. */
    readonly position: PointProps;
    /** Grip bounds. */
    readonly bounds: RectangleProps;
}
/** Properties of [[ResizeGrip]] component.
 * @alpha
 */
export interface ResizeGripProps extends CommonProps {
    /** Function called when grip is clicked. */
    onClick?: () => void;
    /** Function called when grip is resized. */
    onResize?: (args: ResizeGripResizeArgs) => void;
    /** Function called when resize action is ended. */
    onResizeEnd?: (args: ResizeGripResizeArgs) => void;
    /** Function called when resize action is started. */
    onResizeStart?: (args: ResizeGripResizeArgs) => void;
    /** Available resize directions of resize grip. */
    direction: ResizeDirection;
}
interface ResizeGripState {
    isPointerDown: boolean;
}
/** Resize grip used by [[Stacked]] component.
 * @alpha
 */
export declare class ResizeGrip extends React.PureComponent<ResizeGripProps, ResizeGripState> {
    private _grip;
    private _isResizing;
    private _movedBy;
    private _lastPosition;
    /** @internal */
    readonly state: ResizeGripState;
    render(): JSX.Element;
    private _handleClick;
    private _handlePointerDown;
    private _handlePointerUp;
    private _handlePointerMove;
}
export {};
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