Set maximum group count in Vue QueryBuilder component

<template>
<div class="control-section">
    <div class="col-lg-12 querybuilder-control">
        <ejs-querybuilder width="70%" :dataSource="dataSource" :rule="importRules"  maxGroupCount=2>
            <e-columns>
              <e-column field="TaskID" label="Task ID" type="number"></e-column>
              <e-column field="Name" label="Name" type="string"></e-column>
              <e-column field="Category" label="Category" type="string"></e-column>
              <e-column field="SerialNo" label="SerialNo" type="string"></e-column>
              <e-column field="InvoiceNo" label="InvoiceNo" type="string"></e-column>
              <e-column field="Status" label="Status" type="string"></e-column>
            </e-columns>
        </ejs-querybuilder>
    </div>
</div>
</template>
<script>
import Vue from "vue";
import { QueryBuilderPlugin } from "@syncfusion/ej2-vue-querybuilder";
Vue.use(QueryBuilderPlugin);

export default {
data: function() {
    return {
        dataSource: hardwareData,
        importRules: {
    'condition': 'or',
    'rules': [{
        'label': 'Category',
        'field': 'Category',
        'type': 'string',
        'operator': 'equal',
        'value': 'Laptop'
    }]
}
    };
}
}
var hardwareData = [{
  'TaskID': 1,
  'Name': 'Lenovo Yoga',
  'Category': 'Laptop',
  'SerialNo': 'CB27932009',
  'InvoiceNo': 'INV-2878',
  'Status': 'Assigned'
  },
  {
  'TaskID': 2,
  'Name': 'Acer Aspire',
  'Category': 'Others',
  'SerialNo': 'CB35728290',
  'InvoiceNo': 'INV-3456',
  'Status': 'In-repair'
  },
  {
  'TaskID': 3,
  'Name': 'Apple MacBook',
  'Category': 'Laptop',
  'SerialNo': 'CB35628728',
  'InvoiceNo': 'INV-2763',
  'Status': 'In-repair'
  }];
</script>
<style>
@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
@import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
@import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-lists/styles/material.css";
@import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
@import "../node_modules/@syncfusion/ej2-calendars/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-querybuilder/styles/material.css";
.e-query-builder {
    margin: 0 auto;
}
</style>

define(["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.employeeData = [{
      'EmployeeID': 1,
      'LastName': 'Davolio',
      'FirstName': 'Nancy',
      'Title': 'Sales Representative',
      'TitleOfCourtesy': 'Ms.',
      'HireDate': '22/07/2001',
      'Address': '507 - 20th Ave. E.\r\nApt. 2A',
      'City': 'Seattle',
      'Region': 'WA',
      'PostalCode': '98122',
      'Country': 'USA'
    },
    {
      'EmployeeID': 2,
      'LastName': 'Fuller',
      'FirstName': 'Andrew',
      'Title': 'Vice President',
      'TitleOfCourtesy': 'Dr.',
      'HireDate': '21/04/2003',
      'Address': '908 W. Capital Way',
      'City': 'Tacoma',
      'Region': 'WA',
      'PostalCode': '98401',
      'Country': 'USA'
    },
    {
      'EmployeeID': 3,
      'LastName': 'Leverling',
      'FirstName': 'Janet',
      'Title': 'Sales Representative',
      'TitleOfCourtesy': 'Ms.',
      'HireDate': '22/07/2001',
      'Address': '722 Moss Bay Blvd.',
      'City': 'Kirkland',
      'Region': 'WA',
      'PostalCode': '98033',
      'Country': 'USA'
    },
    {
      'EmployeeID': 4,
      'LastName': 'Peacock',
      'FirstName': 'Margaret',
      'Title': 'Sales Representative',
      'TitleOfCourtesy': 'Mrs.',
      'HireDate': '22/07/2004',
      'Address': '4110 Old Redmond Rd.',
      'City': 'Redmond',
      'Region': 'WA',
      'PostalCode': '98052',
      'Country': 'USA'
    },
    {
      'EmployeeID': 5,
      'LastName': 'Buchanan',
      'FirstName': 'Steven',
      'Title': 'Sales Manager',
      'TitleOfCourtesy': 'Mr.',
      'HireDate': '02/04/2001',
      'Address': '14 Garrett Hill',
      'City': 'London',
      'Region': null,
      'PostalCode':
      'SW1 8JR',
      'Country': 'UK'
    },
    {
      'EmployeeID': 6,
      'LastName': 'Suyama',
      'FirstName': 'Michael',
      'Title': 'Sales Representative',
      'TitleOfCourtesy': 'Mr.',
      'HireDate': '22/01/2003',
      'Address': 'Coventry House\r\nMiner Rd.',
      'City': 'London',
      'Region': null,
      'PostalCode': 'EC2 7JR',
      'Country': 'UK'
    },
    {
      'EmployeeID': 7,
      'LastName': 'King',
      'FirstName': 'Robert',
      'Title': 'Sales Representative',
      'TitleOfCourtesy': 'Mr.',
      'HireDate': '22/07/2001',
      'Address': 'Edgeham Hollow\r\nWinchester Way',
      'City': 'London',
      'Region': null,
      'PostalCode': 'RG1 9SP',
      'Country': 'UK'
    },
    {
      'EmployeeID': 8,
      'LastName': 'Callahan',
      'FirstName': 'Laura',
      'Title': 'Inside Sales Coordinator',
      'TitleOfCourtesy': 'Ms.',
      'HireDate': '22/07/2001',
      'Address': '4726 - 11th Ave. N.E.',
      'City': 'Seattle',
      'Region': 'WA',
      'PostalCode': '98105',
      'Country': 'USA'
    },
    {
      'EmployeeID': 9,
      'LastName': 'Dodsworth',
      'FirstName': 'Anne',
      'Title': 'Sales Representative',
      'TitleOfCourtesy': 'Ms.',
      'HireDate': '22/07/2001',
      'Address': '7 Houndstooth Rd.',
      'City': 'London',
      'Region': null,
      'PostalCode': 'WG2 7LT',
      'Country': 'UK'
    }];
    exports.hardwareData = [{
      'TaskID': 1,
      'Name': 'Lenovo Yoga',
      'Category': 'Laptop',
      'SerialNo': 'CB27932009',
      'InvoiceNo': 'INV-2878',
      'DOP': '04/10/2018',
      'WEO': '05/01/2021',
      'Status': 'Assigned',
      'AssignedTo': 'John Doe',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 2,
      'Name': 'Acer Aspire',
      'Category': 'Others',
      'SerialNo': 'CB35728290',
      'InvoiceNo': 'INV-3456',
      'DOP': '02/12/2018',
      'WEO': '03/01/2023',
      'Status': 'In-repair',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 3,
      'Name': 'Apple MacBook',
      'Category': 'Laptop',
      'SerialNo': 'CB35628728',
      'InvoiceNo': 'INV-2763',
      'DOP': '04/10/2018',
      'WEO': '04/03/2021',
      'Status': 'In-repair',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 4,
      'Name': 'Lenovo ThinkPad',
      'Category': 'Laptop',
      'SerialNo': 'CB56209872',
      'InvoiceNo': 'INV-2980',
      'DOP': '03/09/2018',
      'WEO': '05/12/2021',
      'Status': 'Pending',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 5,
      'Name': 'Dell Inspiron',
      'Category': 'Laptop',
      'SerialNo': 'CB56289036',
      'InvoiceNo': 'INV-3782',
      'DOP': '01/10/2018',
      'WEO': '04/01/2021',
      'Status': 'Assigned',
      'AssignedTo': 'David Anto',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 6,
      'Name': 'HP Pavilion',
      'Category': 'Laptop',
      'SerialNo': 'CB56289305',
      'InvoiceNo': 'INV-2712',
      'DOP': '04/10/2018',
      'WEO': '05/01/2021',
      'Status': 'Assigned',
      'AssignedTo': 'Mary Saveley',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 7,
      'Name': 'Asus ZenBook',
      'Category': 'Laptop',
      'SerialNo': 'CB25637891',
      'InvoiceNo': 'INV-0984',
      'DOP': '06/16/2018',
      'WEO': '09/01/2021',
      'Status': 'Pending',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 8,
      'Name': 'HP EliteBook',
      'Category': 'Laptop',
      'SerialNo': 'CB27819726',
      'InvoiceNo': 'INV-2561',
      'DOP': '02/19/2018',
      'WEO': '05/21/2021',
      'Status': 'Ordered',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 9,
      'Name': 'Apple MacBook Air',
      'Category': 'Laptop',
      'SerialNo': 'CB05262880',
      'InvoiceNo': 'INV-8970',
      'DOP': '02/12/2018',
      'WEO': '03/01/2023',
      'Status': 'Pending',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  },
  {
      'TaskID': 10,
      'Name': 'Apple iPad Air',
      'Category': 'Tablet',
      'SerialNo': 'CB45262777',
      'InvoiceNo': 'INV-4555',
      'DOP': '04/10/2018',
      'WEO': '05/01/2021',
      'Status': 'Pending',
      'AssignedTo': '',
      'Note': 'Remarks are noted'
  }];
  exports.expenseData = [{
    'UniqueId': 'T100001',
    'Category': 'Food',
    'PaymentMode': 'Credit Card',
    'TransactionType': 'Expense',
    'Description': 'Boiled peanuts',
    'Amount': '7',
    'MonthShort': 'Jun',
    'MonthFull': 'June, 2017',
    'FormattedDate': '06/01/2017 09:12 AM'
  }, {
    'UniqueId': 'T100024',
    'Category': 'Food',
    'PaymentMode': 'Cash',
    'TransactionType': 'Expense',
    'Description': 'Peanuts in Coke',
    'Amount': '8',
    'MonthShort': 'Jun',
    'MonthFull': 'June, 2017',
    'FormattedDate': '06/04/2017 02:43 PM'
  }, {
    'UniqueId': 'T100025',
    'Category': 'Food',
    'PaymentMode': 'Cash',
    'TransactionType': 'Expense',
    'Description': 'Palmetto Cheese, Mint julep',
    'Amount': '11',
    'MonthShort': 'Jun',
    'MonthFull': 'June, 2017',
    'FormattedDate': '06/04/2017 08:35 PM'
  }, {
    'UniqueId': 'T100026',
    'Category': 'Transportation',
    'PaymentMode': 'Debit Card',
    'TransactionType': 'Expense',
    'Description': 'Cars and trucks, used',
    'Amount': '9',
    'MonthShort': 'Jun',
    'MonthFull': 'June, 2017',
    'FormattedDate': '06/04/2017 10:25 AM'
  }, {
    'UniqueId': 'T100027',
    'Category': 'Transportation',
    'PaymentMode': 'Debit Card',
    'TransactionType': 'Expense',
    'Description': 'Public and other transportation',
    'Amount': '8',
    'MonthShort': 'Jun',
    'MonthFull': 'June, 2017',
    'FormattedDate': '06/04/2017 03:55 PM'
  }, {
    'UniqueId': 'T100028',
    'Category': 'Shopping',
    'PaymentMode': 'Cash',
    'TransactionType': 'Expense',
    'Description': 'Household things \u0026 Utilities',
    'Amount': '160',
    'MonthShort': 'Jun',
    'MonthFull': 'June, 2017',
    'FormattedDate': '06/04/2017 10:22 AM'
  },
{
    'UniqueId': 'T101284',
    'Category': 'Extra income',
    'PaymentMode': 'Cash',
    'TransactionType': 'Income',
    'Description': 'Income from Sale',
    'Amount': '110',
    'MonthShort': 'Nov',
    'MonthFull': 'November, 2017',
    'FormattedDate': '11/30/2017 02:42 PM'
  }];
});