Unit : 4,
                    //lineNumbers: true,
                    //lineWrapping: true,
                    /*matchBrackets: true,
                    indentWithTabs: true,
                    styleActiveLine: true,
                    styleSelectedText: true,
                    autoCloseBrackets: true,
                    showTrailingSpace: true,
                    highlightSelectionMatches: {
                        showToken: /\w/
                    } */
                };

        