Removed the overloading of createControl() and replaced it by overloading createBuildOptiionsGroup()
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="Packages">
<xsd:complexType>
<xsd:sequence>
<xsd:element maxOccurs="unbounded" minOccurs="0" name="Package">
<xsd:complexType>
<xsd:sequence>
<xsd:element maxOccurs="1" minOccurs="0" name="information" type="xsd:string"/>
</xsd:sequence>
<xsd:attribute name="sdkFamily" type="xsd:string" use="required"/>
<xsd:attribute name="sdkVersion" type="xsd:string" use="required"/>
<xsd:attribute name="packageVersion" type="xsd:string" use="required"/>
<xsd:attribute name="displayName" type="xsd:string" use="required"/>
<xsd:attribute name="installFilePath" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>