import { Renderer2, ElementRef, OnInit, EventEmitter, OnDestroy, NgZone } from '@angular/core';
import { Subject } from 'rxjs';
import { Edges } from './interfaces/edges.interface';
import { ResizeEvent } from './interfaces/resize-event.interface';
import * as i0 from "@angular/core";
export interface ResizeCursors {
topLeft: string;
topRight: string;
bottomLeft: string;
bottomRight: string;
leftOrRight: string;
topOrBottom: string;
}
export declare const MOUSE_MOVE_THROTTLE_MS: number;
/**
* Place this on an element to make it resizable. For example:
*
* ```html
*
*
* ```
* Or in case they are sibling elements:
* ```html
*
*
* ```
*/
export declare class ResizableDirective implements OnInit, OnDestroy {
private platformId;
private renderer;
elm: ElementRef;
private zone;
/**
* A function that will be called before each resize event. Return `true` to allow the resize event to propagate or `false` to cancel it
*/
validateResize: (resizeEvent: ResizeEvent) => boolean;
/**
* Set to `true` to enable a temporary resizing effect of the element in between the `resizeStart` and `resizeEnd` events.
*/
enableGhostResize: boolean;
/**
* A snap grid that resize events will be locked to.
*
* e.g. to only allow the element to be resized every 10px set it to `{left: 10, right: 10}`
*/
resizeSnapGrid: Edges;
/**
* The mouse cursors that will be set on the resize edges
*/
resizeCursors: Partial;
/**
* Define the positioning of the ghost element (can be fixed or absolute)
*/
ghostElementPositioning: 'fixed' | 'absolute';
/**
* Allow elements to be resized to negative dimensions
*/
allowNegativeResizes: boolean;
/**
* The mouse move throttle in milliseconds, default: 50 ms
*/
mouseMoveThrottleMS: number;
/**
* Called when the mouse is pressed and a resize event is about to begin. `$event` is a `ResizeEvent` object.
*/
resizeStart: EventEmitter;
/**
* Called as the mouse is dragged after a resize event has begun. `$event` is a `ResizeEvent` object.
*/
resizing: EventEmitter;
/**
* Called after the mouse is released after a resize event. `$event` is a `ResizeEvent` object.
*/
resizeEnd: EventEmitter;
/**
* @hidden
*/
mouseup: Subject<{
clientX: number;
clientY: number;
edges?: Edges | undefined;
}>;
/**
* @hidden
*/
mousedown: Subject<{
clientX: number;
clientY: number;
edges?: Edges | undefined;
}>;
/**
* @hidden
*/
mousemove: Subject<{
clientX: number;
clientY: number;
edges?: Edges | undefined;
event: MouseEvent | TouchEvent;
}>;
private pointerEventListeners;
private destroy$;
/**
* @hidden
*/
constructor(platformId: any, renderer: Renderer2, elm: ElementRef, zone: NgZone);
/**
* @hidden
*/
ngOnInit(): void;
/**
* @hidden
*/
ngOnDestroy(): void;
private setElementClass;
static ɵfac: i0.ɵɵFactoryDeclaration;
static ɵdir: i0.ɵɵDirectiveDeclaration;
}