import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class KnobRotateDirective implements OnInit, AfterViewInit {
    private changeDetectorRef;
    positions: {
        x: number;
        y: number;
    };
    pointer: HTMLElement;
    element: HTMLElement;
    isDrag: boolean;
    private _deg;
    set value(value: string | number);
    valueChange: EventEmitter<any>;
    min: number;
    max: number;
    step: null | number;
    constructor(elementRef: ElementRef, changeDetectorRef: ChangeDetectorRef);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    mouseup(event: MouseEvent): void;
    mousemove(event: MouseEvent | TouchEvent): void;
    mousedown(event: MouseEvent): void;
    private getDeg;
    private _getClient;
    private _verifyDeg;
    private _update;
    static ɵfac: i0.ɵɵFactoryDeclaration<KnobRotateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<KnobRotateDirective, "[knobRotate]", never, { "value": "value"; "min": "min"; "max": "max"; "step": "step"; }, { "valueChange": "valueChange"; }, never>;
}