How to use the @theia/editor/lib/browser.EditorCommands.CONFIG_EOL function in @theia/editor

protected registerEditorCommandHandlers(): void {
        this.registry.registerHandler(EditorCommands.SHOW_REFERENCES.id, this.newShowReferenceHandler());
        this.registry.registerHandler(EditorCommands.CONFIG_INDENTATION.id, this.newConfigIndentationHandler());
        this.registry.registerHandler(EditorCommands.CONFIG_EOL.id, this.newConfigEolHandler());
        this.registry.registerHandler(EditorCommands.INDENT_USING_SPACES.id, this.newConfigTabSizeHandler(true));
        this.registry.registerHandler(EditorCommands.INDENT_USING_TABS.id, this.newConfigTabSizeHandler(false));
    }

protected setLineEndingWidget(): void {
        const editor = this.editorManager.currentEditor;
        const editorModel = this.getModel(editor);
        if (editor && editorModel) {
            const eol = editorModel.getEOL();
            const text = eol === '\n' ? 'LF' : 'CRLF';
            this.statusBar.setElement('editor-status-eol', {
                text: `${text}`,
                alignment: StatusBarAlignment.RIGHT,
                priority: 11,
                command: EditorCommands.CONFIG_EOL.id,
                tooltip: 'Select End Of Line Sequence'
            });
        }
    }
    protected removeLineEndingWidget(): void {