<xs:schema
        attributeFormDefault="unqualified"
        elementFormDefault="qualified"
        targetNamespace="http://doctrine-project.org/schemas/migrations/configuration/3.0"
        xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:element name="doctrine-migrations">
        <xs:complexType>
            <xs:all minOccurs="0">
                <xs:element type="xs:string" name="name" minOccurs="0" maxOccurs="1"/>
                <xs:element type="xs:string" name="custom-template" minOccurs="0" maxOccurs="1"/>

                <xs:element name="migrations-paths" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="path" minOccurs="0" maxOccurs="1">
                                <xs:complexType>
                                    <xs:simpleContent>
                                        <xs:extension base="xs:string">
                                            <xs:attribute name="namespace" type="xs:string" use="required"/>
                                        </xs:extension>
                                    </xs:simpleContent>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>


                <xs:element name="storage" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:any maxOccurs="1" processContents="lax"/>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>

                <xs:element name="organize-migrations" minOccurs="0" maxOccurs="1">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:enumeration value="year" />
                            <xs:enumeration value="year_and_month" />
                        </xs:restriction>
                    </xs:simpleType>
                </xs:element>

                <xs:element type="xs:string" name="connection" minOccurs="0" maxOccurs="1"/>
                <xs:element type="xs:string" name="em" minOccurs="0" maxOccurs="1"/>

                <xs:element type="xs:boolean" name="all-or-nothing" minOccurs="0" maxOccurs="1"/>
                <xs:element type="xs:boolean" name="check-database-platform" minOccurs="0" maxOccurs="1"/>
                <xs:element name="migrations" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence minOccurs="0" maxOccurs="unbounded">
                            <xs:element name="migration" type="xs:string"/>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
            </xs:all>
        </xs:complexType>
    </xs:element>

    <xs:element name="table-storage">
        <xs:complexType>
            <xs:attribute name="table-name" type="xs:string" use="optional"/>
            <xs:attribute name="version-column-name" type="xs:string" use="optional"/>
            <xs:attribute name="version-column-length" type="xs:positiveInteger" use="optional"/>
            <xs:attribute name="executed-at-column-name" type="xs:string" use="optional"/>
            <xs:attribute name="execution-time-column-name" type="xs:string" use="optional"/>
        </xs:complexType>
    </xs:element>
</xs:schema>