<?xml version="1.0" encoding="UTF-8"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

    <xs:complexType name="argumentType" abstract="true" mixed="true">
        <xs:attribute name="name" use="required"/>
    </xs:complexType>

    <xs:complexType name="array" mixed="true">
        <xs:complexContent>
            <xs:extension base="argumentType">
                <xs:sequence>
                    <xs:element name="item" type="argumentType" minOccurs="0" maxOccurs="unbounded">
                        <xs:key name="itemName">
                            <xs:selector xpath="item"></xs:selector>
                            <xs:field xpath="@name"></xs:field>
                        </xs:key>
                    </xs:element>
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="asoc" mixed="true">
        <xs:sequence>
            <xs:element name="item" type="argumentType" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="string">
        <xs:complexContent>
            <xs:extension base="argumentType">
                <xs:attribute name="translate" use="optional" type="xs:boolean"/>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="boolean">
        <xs:complexContent>
            <xs:extension base="argumentType"/>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="object">
        <xs:complexContent>
            <xs:extension base="argumentType"/>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="configurableObject" mixed="true">
        <xs:complexContent>
            <xs:extension base="argumentType">
                <xs:sequence>
                    <xs:element name="argument" type="argumentType" minOccurs="1" maxOccurs="unbounded">
                        <xs:key name="argumentConfigurableObjectName">
                            <xs:selector xpath="argument"/>
                            <xs:field xpath="@name"/>
                        </xs:key>
                    </xs:element>
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="number">
        <xs:complexContent>
            <xs:extension base="argumentType"/>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="null">
        <xs:complexContent>
            <xs:restriction base="argumentType"/>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="argumentsType">
        <xs:sequence>
            <xs:element name="argument" type="argumentType" minOccurs="1" maxOccurs="unbounded">
                <xs:key name="argumentItemName">
                    <xs:selector xpath="item"></xs:selector>
                    <xs:field xpath="@name"></xs:field>
                </xs:key>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

</xs:schema>