import { ElementRef, Renderer2, InputSignal, OutputEmitterRef } from '@angular/core';
import { Color } from './../../../helpers/color.class';
import { BaseComponent } from './../base.component';
import * as i0 from "@angular/core";
export declare class AlphaComponent extends BaseComponent {
    private readonly renderer;
    color: InputSignal<Color>;
    colorChange: OutputEmitterRef<Color>;
    isVertical: InputSignal<boolean>;
    pointer: ElementRef;
    constructor(renderer: Renderer2);
    protected movePointer({ x, y, height, width }: {
        x: any;
        y: any;
        height: any;
        width: any;
    }): void;
    /**
     * hue value is in range from 0 to 360°
     */
    private changePointerPosition;
    get gradient(): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<AlphaComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AlphaComponent, "alpha-component", never, { "color": { "alias": "color"; "required": true; "isSignal": true; }; "isVertical": { "alias": "vertical"; "required": false; "isSignal": true; }; }, { "colorChange": "colorChange"; }, never, never, true, never>;
}