Class XsESchemaImpl

  <xs:element name="schema" id="schema">
    <xs:annotation>
      <xs:documentation source="http://www.w3.org/TR/xmlschema-1/#element-schema"/>
    </xs:annotation>
    <xs:complexType>
      <xs:complexContent>
        <xs:extension base="xs:openAttrs">
          <xs:sequence>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
              <xs:element ref="xs:include"/>
              <xs:element ref="xs:import"/>
              <xs:element ref="xs:redefine"/>
              <xs:element ref="xs:annotation"/>
            </xs:choice>
            <xs:sequence minOccurs="0" maxOccurs="unbounded">
              <xs:group ref="xs:schemaTop"/>
              <xs:element ref="xs:annotation" minOccurs="0" maxOccurs="unbounded"/>
            </xs:sequence>
          </xs:sequence>
          <xs:attribute name="targetNamespace" type="xs:anyURI"/>
          <xs:attribute name="version" type="xs:token"/>
          <xs:attribute name="finalDefault" type="xs:derivationSet" use="optional" default=""/>
          <xs:attribute name="blockDefault" type="xs:blockSet" use="optional" default=""/>
          <xs:attribute name="attributeFormDefault" type="xs:formChoice" use="optional" default="unqualified"/>
          <xs:attribute name="elementFormDefault" type="xs:formChoice" use="optional" default="unqualified"/>
          <xs:attribute name="id" type="xs:ID"/>
          <xs:attribute ref="xml:lang"/>
        </xs:extension>
      </xs:complexContent>
    </xs:complexType>

    <xs:key name="element">
      <xs:selector xpath="xs:element"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:key name="attribute">
      <xs:selector xpath="xs:attribute"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:key name="type">
      <xs:selector xpath="xs:complexType|xs:simpleType"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:key name="group">
      <xs:selector xpath="xs:group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:key name="attributeGroup">
      <xs:selector xpath="xs:attributeGroup"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:key name="notation">
      <xs:selector xpath="xs:notation"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:key name="identityConstraint">
      <xs:selector xpath=".//xs:key|.//xs:unique|.//xs:keyref"/>
      <xs:field xpath="@name"/>
    </xs:key>
  </xs:element>

  <xs:group name="schemaTop">
    <xs:annotation>
      <xs:documentation>
        This group is for the
        elements which occur freely at the top level of schemas.
        All of their types are based on the "annotated" type by extension.
      </xs:documentation>
    </xs:annotation>
    <xs:choice>
      <xs:group ref="xs:redefinable"/>
      <xs:element ref="xs:element"/>
      <xs:element ref="xs:attribute"/>
      <xs:element ref="xs:notation"/>
    </xs:choice>
  </xs:group>