<?xml version="1.0" encoding="UTF-8"?>
<!--
    Topology and Orchestration Specification for Cloud Applications Version 1.0
    OASIS Standard
    25 November 2013
    Copyright (c) OASIS Open 2013. All rights reserved.
    Source: http://docs.oasis-open.org/tosca/TOSCA/v1.0/os/schemas/
-->
<xs:schema targetNamespace="http://docs.oasis-open.org/tosca/ns/2011/12" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns="http://docs.oasis-open.org/tosca/ns/2011/12" xmlns:xs="http://www.w3.org/2001/XMLSchema">
 <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>
 <xs:element name="documentation" type="tDocumentation"/>
 <xs:complexType name="tDocumentation" mixed="true">
  <xs:sequence>
   <xs:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
  </xs:sequence>
  <xs:attribute name="source" type="xs:anyURI"/>
  <xs:attribute ref="xml:lang"/>
 </xs:complexType>
 <xs:complexType name="tExtensibleElements">
  <xs:sequence>
   <xs:element ref="documentation" minOccurs="0" maxOccurs="unbounded"/>
   <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
  </xs:sequence>
  <xs:anyAttribute namespace="##other" processContents="lax"/>
 </xs:complexType>
 <xs:complexType name="tImport">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:attribute name="namespace" type="xs:anyURI"/>
    <xs:attribute name="location" type="xs:anyURI"/>
    <xs:attribute name="importType" type="importedURI" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:element name="Definitions">
  <xs:complexType>
   <xs:complexContent>
    <xs:extension base="tDefinitions"/>
   </xs:complexContent>
  </xs:complexType>
 </xs:element>
 <xs:complexType name="tDefinitions">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Extensions" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Extension" type="tExtension" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="Import" type="tImport" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="Types" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:choice maxOccurs="unbounded">
      <xs:element name="ServiceTemplate" type="tServiceTemplate"/>
      <xs:element name="NodeType" type="tNodeType"/>
      <xs:element name="NodeTypeImplementation" type="tNodeTypeImplementation"/>
      <xs:element name="RelationshipType" type="tRelationshipType"/>
      <xs:element name="RelationshipTypeImplementation" type="tRelationshipTypeImplementation"/>
      <xs:element name="RequirementType" type="tRequirementType"/>
      <xs:element name="CapabilityType" type="tCapabilityType"/>
      <xs:element name="ArtifactType" type="tArtifactType"/>
      <xs:element name="ArtifactTemplate" type="tArtifactTemplate"/>
      <xs:element name="PolicyType" type="tPolicyType"/>
      <xs:element name="PolicyTemplate" type="tPolicyTemplate"/>
     </xs:choice>
    </xs:sequence>
    <xs:attribute name="id" type="xs:ID" use="required"/>
    <xs:attribute name="name" type="xs:string" use="optional"/>
    <xs:attribute name="targetNamespace" type="xs:anyURI" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tServiceTemplate">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Tags" type="tTags" minOccurs="0"/>
     <xs:element name="BoundaryDefinitions" type="tBoundaryDefinitions" minOccurs="0"/>
     <xs:element name="TopologyTemplate" type="tTopologyTemplate"/>
     <xs:element name="Plans" type="tPlans" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="id" type="xs:ID" use="required"/>
    <xs:attribute name="name" type="xs:string" use="optional"/>
    <xs:attribute name="targetNamespace" type="xs:anyURI"/>
    <xs:attribute name="substitutableNodeType" type="xs:QName" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tTags">
  <xs:sequence>
   <xs:element name="Tag" type="tTag" maxOccurs="unbounded"/>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tTag">
  <xs:attribute name="name" type="xs:string" use="required"/>
  <xs:attribute name="value" type="xs:string" use="required"/>
 </xs:complexType>
 <xs:complexType name="tBoundaryDefinitions">
  <xs:sequence>
   <xs:element name="Properties" minOccurs="0">
    <xs:complexType>
     <xs:sequence>
      <xs:any namespace="##other"/>
      <xs:element name="PropertyMappings" minOccurs="0">
       <xs:complexType>
        <xs:sequence>
         <xs:element name="PropertyMapping" type="tPropertyMapping" maxOccurs="unbounded"/>
        </xs:sequence>
       </xs:complexType>
      </xs:element>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
   <xs:element name="PropertyConstraints" minOccurs="0">
    <xs:complexType>
     <xs:sequence>
      <xs:element name="PropertyConstraint" type="tPropertyConstraint" maxOccurs="unbounded"/>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
   <xs:element name="Requirements" minOccurs="0">
    <xs:complexType>
     <xs:sequence>
      <xs:element name="Requirement" type="tRequirementRef" maxOccurs="unbounded"/>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
   <xs:element name="Capabilities" minOccurs="0">
    <xs:complexType>
     <xs:sequence>
      <xs:element name="Capability" type="tCapabilityRef" maxOccurs="unbounded"/>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
   <xs:element name="Policies" minOccurs="0">
    <xs:complexType>
     <xs:sequence>
      <xs:element name="Policy" type="tPolicy" maxOccurs="unbounded"/>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
   <xs:element name="Interfaces" minOccurs="0">
    <xs:complexType>
     <xs:sequence>
      <xs:element name="Interface" type="tExportedInterface" maxOccurs="unbounded"/>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tPropertyMapping">
  <xs:attribute name="serviceTemplatePropertyRef" type="xs:string" use="required"/>
  <xs:attribute name="targetObjectRef" type="xs:IDREF" use="required"/>
  <xs:attribute name="targetPropertyRef" type="xs:string" use="required"/>
 </xs:complexType>
 <xs:complexType name="tRequirementRef">
  <xs:attribute name="name" type="xs:string" use="optional"/>
  <xs:attribute name="ref" type="xs:IDREF" use="required"/>
 </xs:complexType>
 <xs:complexType name="tCapabilityRef">
  <xs:attribute name="name" type="xs:string" use="optional"/>
  <xs:attribute name="ref" type="xs:IDREF" use="required"/>
 </xs:complexType>
 <xs:complexType name="tEntityType" abstract="true">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Tags" type="tTags" minOccurs="0"/>
     <xs:element name="DerivedFrom" minOccurs="0">
      <xs:complexType>
       <xs:attribute name="typeRef" type="xs:QName" use="required"/>
      </xs:complexType>
     </xs:element>
     <xs:element name="PropertiesDefinition" minOccurs="0">
      <xs:complexType>
       <xs:attribute name="element" type="xs:QName"/>
       <xs:attribute name="type" type="xs:QName"/>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="name" type="xs:NCName" use="required"/>
    <xs:attribute name="abstract" type="tBoolean" default="no"/>
    <xs:attribute name="final" type="tBoolean" default="no"/>
    <xs:attribute name="targetNamespace" type="xs:anyURI" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tEntityTemplate" abstract="true">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Properties" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:any namespace="##other" processContents="lax"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="PropertyConstraints" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="PropertyConstraint" type="tPropertyConstraint" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="id" type="xs:ID" use="required"/>
    <xs:attribute name="type" type="xs:QName" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tNodeTemplate">
  <xs:complexContent>
   <xs:extension base="tEntityTemplate">
    <xs:sequence>
     <xs:element name="Requirements" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Requirement" type="tRequirement" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="Capabilities" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Capability" type="tCapability" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="Policies" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Policy" type="tPolicy" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="DeploymentArtifacts" type="tDeploymentArtifacts" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="optional"/>
    <xs:attribute name="minInstances" type="xs:int" use="optional" default="1"/>
    <xs:attribute name="maxInstances" use="optional" default="1">
     <xs:simpleType>
      <xs:union>
       <xs:simpleType>
        <xs:restriction base="xs:nonNegativeInteger">
         <xs:pattern value="([1-9]+[0-9]*)"/>
        </xs:restriction>
       </xs:simpleType>
       <xs:simpleType>
        <xs:restriction base="xs:string">
         <xs:enumeration value="unbounded"/>
        </xs:restriction>
       </xs:simpleType>
      </xs:union>
     </xs:simpleType>
    </xs:attribute>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tTopologyTemplate">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:choice maxOccurs="unbounded">
     <xs:element name="NodeTemplate" type="tNodeTemplate"/>
     <xs:element name="RelationshipTemplate" type="tRelationshipTemplate"/>
    </xs:choice>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tRelationshipType">
  <xs:complexContent>
   <xs:extension base="tEntityType">
    <xs:sequence>
     <xs:element name="InstanceStates" type="tTopologyElementInstanceStates" minOccurs="0"/>
     <xs:element name="SourceInterfaces" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Interface" type="tInterface" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="TargetInterfaces" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Interface" type="tInterface" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="ValidSource" minOccurs="0">
      <xs:complexType>
       <xs:attribute name="typeRef" type="xs:QName" use="required"/>
      </xs:complexType>
     </xs:element>
     <xs:element name="ValidTarget" minOccurs="0">
      <xs:complexType>
       <xs:attribute name="typeRef" type="xs:QName" use="required"/>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tRelationshipTypeImplementation">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Tags" type="tTags" minOccurs="0"/>
     <xs:element name="DerivedFrom" minOccurs="0">
      <xs:complexType>
       <xs:attribute name="relationshipTypeImplementationRef" type="xs:QName" use="required"/>
      </xs:complexType>
     </xs:element>
     <xs:element name="RequiredContainerFeatures" type="tRequiredContainerFeatures" minOccurs="0"/>
     <xs:element name="ImplementationArtifacts" type="tImplementationArtifacts" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:NCName" use="required"/>
    <xs:attribute name="targetNamespace" type="xs:anyURI" use="optional"/>
    <xs:attribute name="relationshipType" type="xs:QName" use="required"/>
    <xs:attribute name="abstract" type="tBoolean" use="optional" default="no"/>
    <xs:attribute name="final" type="tBoolean" use="optional" default="no"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tRelationshipTemplate">
  <xs:complexContent>
   <xs:extension base="tEntityTemplate">
    <xs:sequence>
     <xs:element name="SourceElement">
      <xs:complexType>
       <xs:attribute name="ref" type="xs:IDREF" use="required"/>
      </xs:complexType>
     </xs:element>
     <xs:element name="TargetElement">
      <xs:complexType>
       <xs:attribute name="ref" type="xs:IDREF" use="required"/>
      </xs:complexType>
     </xs:element>
     <xs:element name="RelationshipConstraints" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="RelationshipConstraint" maxOccurs="unbounded">
         <xs:complexType>
          <xs:sequence>
           <xs:any namespace="##other" processContents="lax" minOccurs="0"/>
          </xs:sequence>
          <xs:attribute name="constraintType" type="xs:anyURI" use="required"/>
         </xs:complexType>
        </xs:element>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tNodeType">
  <xs:complexContent>
   <xs:extension base="tEntityType">
    <xs:sequence>
     <xs:element name="RequirementDefinitions" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="RequirementDefinition" type="tRequirementDefinition" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="CapabilityDefinitions" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="CapabilityDefinition" type="tCapabilityDefinition" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="InstanceStates" type="tTopologyElementInstanceStates" minOccurs="0"/>
     <xs:element name="Interfaces" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Interface" type="tInterface" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tNodeTypeImplementation">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Tags" type="tTags" minOccurs="0"/>
     <xs:element name="DerivedFrom" minOccurs="0">
      <xs:complexType>
       <xs:attribute name="nodeTypeImplementationRef" type="xs:QName" use="required"/>
      </xs:complexType>
     </xs:element>
     <xs:element name="RequiredContainerFeatures" type="tRequiredContainerFeatures" minOccurs="0"/>
     <xs:element name="ImplementationArtifacts" type="tImplementationArtifacts" minOccurs="0"/>
     <xs:element name="DeploymentArtifacts" type="tDeploymentArtifacts" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:NCName" use="required"/>
    <xs:attribute name="targetNamespace" type="xs:anyURI" use="optional"/>
    <xs:attribute name="nodeType" type="xs:QName" use="required"/>
    <xs:attribute name="abstract" type="tBoolean" use="optional" default="no"/>
    <xs:attribute name="final" type="tBoolean" use="optional" default="no"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tRequirementType">
  <xs:complexContent>
   <xs:extension base="tEntityType">
    <xs:attribute name="requiredCapabilityType" type="xs:QName" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tRequirementDefinition">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Constraints" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Constraint" type="tConstraint" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="requirementType" type="xs:QName" use="required"/>
    <xs:attribute name="lowerBound" type="xs:int" use="optional" default="1"/>
    <xs:attribute name="upperBound" use="optional" default="1">
     <xs:simpleType>
      <xs:union>
       <xs:simpleType>
        <xs:restriction base="xs:nonNegativeInteger">
         <xs:pattern value="([1-9]+[0-9]*)"/>
        </xs:restriction>
       </xs:simpleType>
       <xs:simpleType>
        <xs:restriction base="xs:string">
         <xs:enumeration value="unbounded"/>
        </xs:restriction>
       </xs:simpleType>
      </xs:union>
     </xs:simpleType>
    </xs:attribute>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tRequirement">
  <xs:complexContent>
   <xs:extension base="tEntityTemplate">
    <xs:attribute name="name" type="xs:string" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tCapabilityType">
  <xs:complexContent>
   <xs:extension base="tEntityType"/>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tCapabilityDefinition">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Constraints" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="Constraint" type="tConstraint" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="capabilityType" type="xs:QName" use="required"/>
    <xs:attribute name="lowerBound" type="xs:int" use="optional" default="1"/>
    <xs:attribute name="upperBound" use="optional" default="1">
     <xs:simpleType>
      <xs:union>
       <xs:simpleType>
        <xs:restriction base="xs:nonNegativeInteger">
         <xs:pattern value="([1-9]+[0-9]*)"/>
        </xs:restriction>
       </xs:simpleType>
       <xs:simpleType>
        <xs:restriction base="xs:string">
         <xs:enumeration value="unbounded"/>
        </xs:restriction>
       </xs:simpleType>
      </xs:union>
     </xs:simpleType>
    </xs:attribute>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tCapability">
  <xs:complexContent>
   <xs:extension base="tEntityTemplate">
    <xs:attribute name="name" type="xs:string" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tArtifactType">
  <xs:complexContent>
   <xs:extension base="tEntityType"/>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tArtifactTemplate">
  <xs:complexContent>
   <xs:extension base="tEntityTemplate">
    <xs:sequence>
     <xs:element name="ArtifactReferences" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="ArtifactReference" type="tArtifactReference" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tDeploymentArtifacts">
  <xs:sequence>
   <xs:element name="DeploymentArtifact" type="tDeploymentArtifact" maxOccurs="unbounded"/>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tDeploymentArtifact">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="artifactType" type="xs:QName" use="required"/>
    <xs:attribute name="artifactRef" type="xs:QName" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tImplementationArtifacts">
  <xs:sequence>
   <xs:element name="ImplementationArtifact" maxOccurs="unbounded">
    <xs:complexType>
     <xs:complexContent>
      <xs:extension base="tImplementationArtifact"/>
     </xs:complexContent>
    </xs:complexType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tImplementationArtifact">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:attribute name="interfaceName" type="xs:anyURI" use="optional"/>
    <xs:attribute name="operationName" type="xs:NCName" use="optional"/>
    <xs:attribute name="artifactType" type="xs:QName" use="required"/>
    <xs:attribute name="artifactRef" type="xs:QName" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tPlans">
  <xs:sequence>
   <xs:element name="Plan" type="tPlan" maxOccurs="unbounded"/>
  </xs:sequence>
  <xs:attribute name="targetNamespace" type="xs:anyURI" use="optional"/>
 </xs:complexType>
 <xs:complexType name="tPlan">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Precondition" type="tCondition" minOccurs="0"/>
     <xs:element name="InputParameters" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="InputParameter" type="tParameter" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="OutputParameters" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="OutputParameter" type="tParameter" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:choice>
      <xs:element name="PlanModel">
       <xs:complexType>
        <xs:sequence>
         <xs:any namespace="##other" processContents="lax"/>
        </xs:sequence>
       </xs:complexType>
      </xs:element>
      <xs:element name="PlanModelReference">
       <xs:complexType>
        <xs:attribute name="reference" type="xs:anyURI" use="required"/>
       </xs:complexType>
      </xs:element>
     </xs:choice>
    </xs:sequence>
    <xs:attribute name="id" type="xs:ID" use="required"/>
    <xs:attribute name="name" type="xs:string" use="optional"/>
    <xs:attribute name="planType" type="xs:anyURI" use="required"/>
    <xs:attribute name="planLanguage" type="xs:anyURI" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tPolicyType">
  <xs:complexContent>
   <xs:extension base="tEntityType">
    <xs:sequence>
     <xs:element name="AppliesTo" type="tAppliesTo" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="policyLanguage" type="xs:anyURI" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tPolicyTemplate">
  <xs:complexContent>
   <xs:extension base="tEntityTemplate">
    <xs:attribute name="name" type="xs:string" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tAppliesTo">
  <xs:sequence>
   <xs:element name="NodeTypeReference" maxOccurs="unbounded">
    <xs:complexType>
     <xs:attribute name="typeRef" type="xs:QName" use="required"/>
    </xs:complexType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tPolicy">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:attribute name="name" type="xs:string" use="optional"/>
    <xs:attribute name="policyType" type="xs:QName" use="required"/>
    <xs:attribute name="policyRef" type="xs:QName" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tConstraint">
  <xs:sequence>
   <xs:any namespace="##other" processContents="lax"/>
  </xs:sequence>
  <xs:attribute name="constraintType" type="xs:anyURI" use="required"/>
 </xs:complexType>
 <xs:complexType name="tPropertyConstraint">
  <xs:complexContent>
   <xs:extension base="tConstraint">
    <xs:attribute name="property" type="xs:string" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tExtensions">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="Extension" type="tExtension" maxOccurs="unbounded"/>
    </xs:sequence>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tExtension">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:attribute name="namespace" type="xs:anyURI" use="required"/>
    <xs:attribute name="mustUnderstand" type="tBoolean" use="optional" default="yes"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tParameter">
  <xs:attribute name="name" type="xs:string" use="required"/>
  <xs:attribute name="type" type="xs:string" use="required"/>
  <xs:attribute name="required" type="tBoolean" use="optional" default="yes"/>
 </xs:complexType>
 <xs:complexType name="tInterface">
  <xs:sequence>
   <xs:element name="Operation" type="tOperation" maxOccurs="unbounded"/>
  </xs:sequence>
  <xs:attribute name="name" type="xs:anyURI" use="required"/>
 </xs:complexType>
 <xs:complexType name="tExportedInterface">
  <xs:sequence>
   <xs:element name="Operation" type="tExportedOperation" maxOccurs="unbounded"/>
  </xs:sequence>
  <xs:attribute name="name" type="xs:anyURI" use="required"/>
 </xs:complexType>
 <xs:complexType name="tOperation">
  <xs:complexContent>
   <xs:extension base="tExtensibleElements">
    <xs:sequence>
     <xs:element name="InputParameters" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="InputParameter" type="tParameter" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
     <xs:element name="OutputParameters" minOccurs="0">
      <xs:complexType>
       <xs:sequence>
        <xs:element name="OutputParameter" type="tParameter" maxOccurs="unbounded"/>
       </xs:sequence>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
    <xs:attribute name="name" type="xs:NCName" use="required"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
 <xs:complexType name="tExportedOperation">
  <xs:choice>
   <xs:element name="NodeOperation">
    <xs:complexType>
     <xs:attribute name="nodeRef" type="xs:IDREF" use="required"/>
     <xs:attribute name="interfaceName" type="xs:anyURI" use="required"/>
     <xs:attribute name="operationName" type="xs:NCName" use="required"/>
    </xs:complexType>
   </xs:element>
   <xs:element name="RelationshipOperation">
    <xs:complexType>
     <xs:attribute name="relationshipRef" type="xs:IDREF" use="required"/>
     <xs:attribute name="interfaceName" type="xs:anyURI" use="required"/>
     <xs:attribute name="operationName" type="xs:NCName" use="required"/>
    </xs:complexType>
   </xs:element>
   <xs:element name="Plan">
    <xs:complexType>
     <xs:attribute name="planRef" type="xs:IDREF" use="required"/>
    </xs:complexType>
   </xs:element>
  </xs:choice>
  <xs:attribute name="name" type="xs:NCName" use="required"/>
 </xs:complexType>
 <xs:complexType name="tCondition">
  <xs:sequence>
   <xs:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
  </xs:sequence>
  <xs:attribute name="expressionLanguage" type="xs:anyURI" use="required"/>
 </xs:complexType>
 <xs:complexType name="tTopologyElementInstanceStates">
  <xs:sequence>
   <xs:element name="InstanceState" maxOccurs="unbounded">
    <xs:complexType>
     <xs:attribute name="state" type="xs:anyURI" use="required"/>
    </xs:complexType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tArtifactReference">
  <xs:choice minOccurs="0" maxOccurs="unbounded">
   <xs:element name="Include">
    <xs:complexType>
     <xs:attribute name="pattern" type="xs:string" use="required"/>
    </xs:complexType>
   </xs:element>
   <xs:element name="Exclude">
    <xs:complexType>
     <xs:attribute name="pattern" type="xs:string" use="required"/>
    </xs:complexType>
   </xs:element>
  </xs:choice>
  <xs:attribute name="reference" type="xs:anyURI" use="required"/>
 </xs:complexType>
 <xs:complexType name="tRequiredContainerFeatures">
  <xs:sequence>
   <xs:element name="RequiredContainerFeature" type="tRequiredContainerFeature" maxOccurs="unbounded"/>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="tRequiredContainerFeature">
  <xs:attribute name="feature" type="xs:anyURI" use="required"/>
 </xs:complexType>
 <xs:simpleType name="tBoolean">
  <xs:restriction base="xs:string">
   <xs:enumeration value="yes"/>
   <xs:enumeration value="no"/>
  </xs:restriction>
 </xs:simpleType>
 <xs:simpleType name="importedURI">
  <xs:restriction base="xs:anyURI"/>
 </xs:simpleType>
</xs:schema>