/**
 * Import Angular libraries.
 */
import { EventEmitter, OnDestroy, AfterViewChecked, OnChanges, SimpleChanges, ElementRef } from '@angular/core';
/**
 * Import third-party libraries.
 */
import { Circle } from '@svgdotjs/svg.js';
/**
 * Import custom components.
 */
import { SvgContainerComponent } from '../components/svg-container/svg-container.component';
export declare class SvgCircleDirective implements AfterViewChecked, OnChanges, OnDestroy {
    private _svgContainer;
    private _elRef;
    /**
     * Globally used variables within the directive.
     */
    private _circle;
    /**
     * Import variables for the circle directive.
     */
    diameter: number;
    color: string;
    x: number;
    y: number;
    classes: string[];
    /**
     * Output variables for the circle directive.
     */
    clickEvent: EventEmitter<MouseEvent>;
    doubleClickEvent: EventEmitter<MouseEvent>;
    mouseOverEvent: EventEmitter<MouseEvent>;
    mouseOutEvent: EventEmitter<MouseEvent>;
    onInitialize: EventEmitter<Circle>;
    /**
     * Create SVG Circle directive.
     * @param _svgContainer - Host SVG Container Component object instance.
     * @param _elRef - Angular element reference object instance.
     */
    constructor(_svgContainer: SvgContainerComponent, _elRef: ElementRef);
    /**
     * Creates the circle object within the container.
     */
    ngAfterViewChecked(): void;
    /**
     * Does all required pre-requisites before destroying the component.
     */
    ngOnDestroy(): void;
    /**
     * Is called when changes are made to the circle object.
     * @param changes - Angular Simple Changes object containing all of the changes.
     */
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * Update circle object within the SVG container.
     */
    private updateCircle;
    /**
     * Create circle object within the SVG container.
     */
    private createCircle;
    /**
     * Sets correct position for the element.
     */
    private setCorrectPosition;
    /**
     * Adds classes to the circle object.
     * @param classesToAdd - List of classes, which needs to be added.
     * @param classesToRemove - List of classes, which needs to be removed.
     */
    private addRemoveClasses;
}