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21707
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george.ath
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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
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xmlns="http://sarasvati.googlecode.com/ProcessDefinition"
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targetNamespace="http://sarasvati.googlecode.com/ProcessDefinition"
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elementFormDefault="qualified">
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<xs:element name="process-definition">
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<xs:complexType>
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<xs:annotation>
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<xs:documentation>
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A process definition consists of a unique name and a set of nodes.
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The nodes are connected via arcs.
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</xs:documentation>
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</xs:annotation>
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<xs:sequence>
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<xs:element name="custom" minOccurs="0" maxOccurs="1">
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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<xs:element name="node" type="Node" minOccurs="1" maxOccurs="unbounded" >
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<xs:annotation>
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<xs:documentation>
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Every process definition must have at least one
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node. If a process definition contains no nodes
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with the isStart attribute set to true, it can
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not be run on it's own. This is still valid
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however, since it could be referenced from
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another process definition.
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</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="external" type="External" minOccurs="0" maxOccurs="unbounded" >
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<xs:annotation>
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<xs:documentation>
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Every process definition may contain contain zero or more
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references to external process definitions.
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</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="name" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>
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Every process definition must have a unique name.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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</xs:element>
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<xs:complexType name="Node">
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<xs:sequence>
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<xs:element name="join" type="Join" minOccurs="0" maxOccurs="1" />
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<xs:element name="guard" type="Guard" minOccurs="0" maxOccurs="1" />
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<xs:element name="arc" type="Arc" minOccurs="0" maxOccurs="unbounded" />
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<xs:element name="custom" minOccurs="0" maxOccurs="1">
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="name" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>
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Node names must be unique within a given process definition.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="joinType"
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type="JoinType"
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use="optional"
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default="or"/>
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<xs:attribute name="joinParam" type="xs:string" use="optional">
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<xs:annotation>
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<xs:documentation>
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="type"
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type="xs:string"
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use="optional"/>
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<xs:attribute name="isStart"
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type="xs:boolean"
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use="optional"
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default="false">
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<xs:annotation>
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<xs:documentation>
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If isStart is set to true, this node will have a token
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placed in it. Guard functions will still be called for
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start nodes.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="x"
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type="xs:int"
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use="optional"/>
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<xs:attribute name="y"
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type="xs:int"
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use="optional"/>
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</xs:complexType>
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<xs:complexType name="External">
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<xs:sequence>
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<xs:element name="arc" type="ExternalArc" minOccurs="0" maxOccurs="unbounded" />
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<xs:element name="custom" minOccurs="0" maxOccurs="1">
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" minOccurs="0" maxOccurs="unbounded" processContents="lax"/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="name" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>
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Since it may be desirable to include the same external process definition
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more than once, each external must define a name which must be unique in
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the process definition.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="processDefinition" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>
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Must refer to a valid process definition name.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="x"
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type="xs:int"
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use="optional"/>
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<xs:attribute name="y"
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type="xs:int"
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use="optional"/>
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</xs:complexType>
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<xs:simpleType name="Guard">
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<xs:annotation>
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<xs:documentation>
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Contains a GuardLang statement
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</xs:documentation>
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</xs:annotation>
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<xs:restriction base="xs:string">
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<xs:whiteSpace value="collapse"></xs:whiteSpace>
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</xs:restriction>
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</xs:simpleType>
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<xs:simpleType name="Join">
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<xs:annotation>
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<xs:documentation>
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Join strategies may require additional information, which can be provided in the join parameter.
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This may include things like a token set name or a JoinLang program
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</xs:documentation>
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</xs:annotation>
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<xs:restriction base="xs:string">
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<xs:whiteSpace value="collapse"></xs:whiteSpace>
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</xs:restriction>
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</xs:simpleType>
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<xs:complexType name="Arc">
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<xs:attribute name="external" type="xs:string" use="optional" default=""/>
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<xs:attribute name="to" type="xs:string" use="required"/>
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<xs:attribute name="name" type="xs:string" use="optional" default=""/>
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</xs:complexType>
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<xs:complexType name="ExternalArc">
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<xs:attribute name="from" type="xs:string" use="required" >
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<xs:annotation>
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<xs:documentation>
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Name of the node in the this external process
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definition that this arc will start from
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="external" type="xs:string" use="optional" default="">
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<xs:annotation>
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<xs:documentation>
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Specifies the instance name of the external process definition that is
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being linked to. The latest version of the external process definition
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will be used. If this is not specified, it is assumed that we are linking
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to a node in the surrounding process definition.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="to" type="xs:string" use="required" >
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<xs:annotation>
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<xs:documentation>
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Name of the node in the specified external process
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definition that this arc will connect to
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="name" type="xs:string" use="optional" default="" >
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<xs:annotation>
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<xs:documentation>
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The arc name. Does not need to be unique. Arcs with the same name
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are considered to be part of a set.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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<xs:simpleType name="JoinType">
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<xs:restriction base="xs:string">
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<xs:enumeration value="or"/>
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<xs:enumeration value="and"/>
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<xs:enumeration value="labelAnd"/>
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<xs:enumeration value="tokenSet"/>
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<xs:enumeration value="tokenSetOr"/>
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<xs:enumeration value="class"/>
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<xs:enumeration value="first"/>
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<xs:enumeration value="joinlang"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:schema>
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