import { OnInit, SimpleChanges, Renderer2, ElementRef, EventEmitter } from '@angular/core';
import { BaseComponent } from '../base-component';
import { Color } from '../../helpers/color.class';
export declare class AlphaComponent extends BaseComponent implements OnInit {
    color: Color;
    private isVertical;
    editorParams: any;
    vertical: string;
    colorChange: EventEmitter<Color>;
    thumb: ElementRef;
    constructor(renderer: Renderer2, document: any, elementRef: ElementRef);
    onClick(event: any): void;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    movePointer({ x, y, height, width }: {
        x: any;
        y: any;
        height: any;
        width: any;
    }): void;
    private changePointerPosition;
    readonly gradient: string;
}