How to use the alloyeditor.ButtonStateClasses function in alloyeditor

constructor(props) {
        super(props);

        this.updateValue = this.updateValue.bind(this);
        this.saveAnchor = this.saveAnchor.bind(this);
        this.removeAnchor = this.removeAnchor.bind(this);
        this.fireCustomUpdateEvent = this.fireCustomUpdateEvent.bind(this);
        this.hasError = this.hasError.bind(this);

        this.getStateClasses = AlloyEditor.ButtonStateClasses.getStateClasses;

        this.block = null;

        this.state = {
            value: '',
            isValueUnique: false,
            isValueValid: false,
        };
    }

constructor(props) {
        super(props);

        this.getStateClasses = AlloyEditor.ButtonStateClasses.getStateClasses;
        this.execCommand = AlloyEditor.ButtonCommand.execCommand.bind(this);
    }

constructor(props) {
        super(props);

        this.updateValue = this.updateValue.bind(this);
        this.saveAnchor = this.saveAnchor.bind(this);
        this.removeAnchor = this.removeAnchor.bind(this);
        this.fireCustomUpdateEvent = this.fireCustomUpdateEvent.bind(this);

        this.getStateClasses = AlloyEditor.ButtonStateClasses.getStateClasses;

        this.block = null;

        this.state = {
            value: '',
            isValueUnique: false,
        };
    }

constructor(props) {
        super(props);

        this.getStateClasses = AlloyEditor.ButtonStateClasses.getStateClasses;
    }