How to use the alloyeditor.ButtonLink function in alloyeditor

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import AlloyEditor from 'alloyeditor';

export default class EzBtnLink extends AlloyEditor.ButtonLink {
    static get key() {
        return 'ezlink';
    }

    /**
     * Lifecycle. Renders the UI of the button.
     *
     * @method render
     * @return {Object} The content which should be rendered.
     */
    render() {
        const cssClass = 'ae-button ez-btn-ae ' + this.getStateClasses();

        if (this.props.renderExclusive) {
            const props = this.mergeButtonCfgProps();

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import AlloyEditor from 'alloyeditor';

export default class EzBtnImageLink extends AlloyEditor.ButtonLink {
    constructor(props) {
        super(props);

        this.requestExclusive = this.requestExclusive.bind(this);
    }

    static get key() {
        return 'ezimagelink';
    }

    getWidget() {
        const editor = this.props.editor.get('nativeEditor');
        const wrapper = editor.getSelection().getStartElement();

        return editor.widgets.getByElement(wrapper);
    }