// inspired from the BPMN specification example 'triso - Order Process for Pizza V4.bpmn'
function pizzaDiagram() {
    return `<?xml version="1.0" encoding="UTF-8"?>
<semantic:definitions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:semantic="http://www.omg.org/spec/BPMN/20100524/MODEL" id="_1275940932088" targetNamespace="http://www.trisotech.com/definitions/_1275940932088">
  <semantic:message id="_1275940932310" />
  <semantic:message id="_1275940932433" />
  <semantic:process id="_6-1" isExecutable="false">
    <semantic:laneSet id="ls_6-438">
      <semantic:lane id="_6-448" name="delivery boy">
        <semantic:flowNodeRef>_6-616</semantic:flowNodeRef>
        <semantic:flowNodeRef>_6-565</semantic:flowNodeRef>
        <semantic:flowNodeRef>_6-514</semantic:flowNodeRef>
      </semantic:lane>
      <semantic:lane id="_6-446" name="pizza chef">
        <semantic:flowNodeRef>_6-463</semantic:flowNodeRef>
      </semantic:lane>
      <semantic:lane id="_6-650" name="clerk">
        <semantic:flowNodeRef>_6-652</semantic:flowNodeRef>
        <semantic:flowNodeRef>_6-450</semantic:flowNodeRef>
        <semantic:flowNodeRef>_6-695</semantic:flowNodeRef>
        <semantic:flowNodeRef>_6-674</semantic:flowNodeRef>
      </semantic:lane>
    </semantic:laneSet>
    <semantic:parallelGateway id="_6-652" name="">
      <semantic:incoming>_6-630</semantic:incoming>
      <semantic:outgoing>_6-691</semantic:outgoing>
      <semantic:outgoing>_6-693</semantic:outgoing>
    </semantic:parallelGateway>
    <semantic:startEvent id="_6-450" name="Order&#10;received">
      <semantic:outgoing>_6-630</semantic:outgoing>
      <semantic:messageEventDefinition messageRef="_1275940932310" />
    </semantic:startEvent>
    <semantic:task id="_6-695" name="Calm customer">
      <semantic:incoming>_6-748</semantic:incoming>
      <semantic:outgoing>_6-746</semantic:outgoing>
    </semantic:task>
    <semantic:intermediateCatchEvent id="_6-674" name="where is my pizza?">
      <semantic:incoming>_6-691</semantic:incoming>
      <semantic:incoming>_6-746</semantic:incoming>
      <semantic:outgoing>_6-748</semantic:outgoing>
      <semantic:messageEventDefinition messageRef="_1275940932433" />
    </semantic:intermediateCatchEvent>
    <semantic:task id="_6-463" name="Bake the pizza">
      <semantic:incoming>_6-693</semantic:incoming>
      <semantic:outgoing>_6-632</semantic:outgoing>
    </semantic:task>
    <semantic:endEvent id="_6-616" name="">
      <semantic:incoming>_6-636</semantic:incoming>
      <semantic:terminateEventDefinition />
    </semantic:endEvent>
    <semantic:task id="_6-565" name="Receive payment">
      <semantic:incoming>_6-634</semantic:incoming>
      <semantic:outgoing>_6-636</semantic:outgoing>
    </semantic:task>
    <semantic:task id="_6-514" name="Deliver the pizza">
      <semantic:incoming>_6-632</semantic:incoming>
      <semantic:outgoing>_6-634</semantic:outgoing>
    </semantic:task>
    <semantic:sequenceFlow id="_6-748" name="" sourceRef="_6-674" targetRef="_6-695" />
    <semantic:sequenceFlow id="_6-746" name="" sourceRef="_6-695" targetRef="_6-674" />
    <semantic:sequenceFlow id="_6-693" name="" sourceRef="_6-652" targetRef="_6-463" />
    <semantic:sequenceFlow id="_6-691" name="" sourceRef="_6-652" targetRef="_6-674" />
    <semantic:sequenceFlow id="_6-632" name="" sourceRef="_6-463" targetRef="_6-514" />
    <semantic:sequenceFlow id="_6-630" name="" sourceRef="_6-450" targetRef="_6-652" />
    <semantic:sequenceFlow id="_6-636" name="" sourceRef="_6-565" targetRef="_6-616" />
    <semantic:sequenceFlow id="_6-634" name="" sourceRef="_6-514" targetRef="_6-565" />
  </semantic:process>
  <semantic:message id="_1275940932198" />
  <semantic:process id="_6-2" isExecutable="false">
    <semantic:eventBasedGateway id="_6-180" name="">
      <semantic:incoming>_6-420</semantic:incoming>
      <semantic:incoming>_6-430</semantic:incoming>
      <semantic:outgoing>_6-422</semantic:outgoing>
      <semantic:outgoing>_6-424</semantic:outgoing>
    </semantic:eventBasedGateway>
    <semantic:intermediateCatchEvent id="_6-202" name="pizza received">
      <semantic:incoming>_6-422</semantic:incoming>
      <semantic:outgoing>_6-428</semantic:outgoing>
      <semantic:messageEventDefinition messageRef="_1275940932198" />
    </semantic:intermediateCatchEvent>
    <semantic:intermediateCatchEvent id="_6-219" name="60 minutes">
      <semantic:incoming>_6-424</semantic:incoming>
      <semantic:outgoing>_6-426</semantic:outgoing>
      <semantic:timerEventDefinition>
        <semantic:timeDate />
      </semantic:timerEventDefinition>
    </semantic:intermediateCatchEvent>
    <semantic:task id="_6-236" name="Ask for the pizza">
      <semantic:incoming>_6-426</semantic:incoming>
      <semantic:outgoing>_6-430</semantic:outgoing>
    </semantic:task>
    <semantic:task id="_6-304" name="Pay the pizza">
      <semantic:incoming>_6-428</semantic:incoming>
      <semantic:outgoing>_6-434</semantic:outgoing>
    </semantic:task>
    <semantic:task id="_6-355" name="Eat the pizza">
      <semantic:incoming>_6-434</semantic:incoming>
      <semantic:outgoing>_6-436</semantic:outgoing>
    </semantic:task>
    <semantic:endEvent id="_6-406" name="Hunger satisfied">
      <semantic:incoming>_6-436</semantic:incoming>
    </semantic:endEvent>
    <semantic:task id="_6-127" name="Order a pizza">
      <semantic:incoming>_6-178</semantic:incoming>
      <semantic:outgoing>_6-420</semantic:outgoing>
    </semantic:task>
    <semantic:task id="_6-74" name="Select a pizza">
      <semantic:incoming>_6-125</semantic:incoming>
      <semantic:outgoing>_6-178</semantic:outgoing>
    </semantic:task>
    <semantic:startEvent id="_6-61" name="Hungry for pizza">
      <semantic:outgoing>_6-125</semantic:outgoing>
    </semantic:startEvent>
    <semantic:sequenceFlow id="_6-430" name="" sourceRef="_6-236" targetRef="_6-180" />
    <semantic:sequenceFlow id="_6-420" name="" sourceRef="_6-127" targetRef="_6-180" />
    <semantic:sequenceFlow id="_6-424" name="" sourceRef="_6-180" targetRef="_6-219" />
    <semantic:sequenceFlow id="_6-422" name="" sourceRef="_6-180" targetRef="_6-202" />
    <semantic:sequenceFlow id="_6-428" name="" sourceRef="_6-202" targetRef="_6-304" />
    <semantic:sequenceFlow id="_6-426" name="" sourceRef="_6-219" targetRef="_6-236" />
    <semantic:sequenceFlow id="_6-434" name="" sourceRef="_6-304" targetRef="_6-355" />
    <semantic:sequenceFlow id="_6-436" name="" sourceRef="_6-355" targetRef="_6-406" />
    <semantic:sequenceFlow id="_6-178" name="" sourceRef="_6-74" targetRef="_6-127" />
    <semantic:sequenceFlow id="_6-125" name="" sourceRef="_6-61" targetRef="_6-74" />
  </semantic:process>
  <semantic:collaboration id="C1275940932557">
    <semantic:participant id="_6-53" name="Pizza Customer" processRef="_6-2" />
    <semantic:participant id="_6-438" name="Pizza vendor" processRef="_6-1" />
    <semantic:messageFlow id="_6-638" name="pizza order" sourceRef="_6-127" targetRef="_6-450" />
    <semantic:messageFlow id="_6-642" name="" sourceRef="_6-236" targetRef="_6-674" />
    <semantic:messageFlow id="_6-646" name="receipt" sourceRef="_6-565" targetRef="_6-304" />
    <semantic:messageFlow id="_6-648" name="money" sourceRef="_6-304" targetRef="_6-565" />
    <semantic:messageFlow id="_6-640" name="pizza" sourceRef="_6-514" targetRef="_6-202" />
    <semantic:messageFlow id="_6-750" name="" sourceRef="_6-695" targetRef="_6-236" />
  </semantic:collaboration>
  <bpmndi:BPMNDiagram id="Trisotech.Visio-_6" name="Untitled Diagram" documentation="" resolution="96.00000267028808">
    <bpmndi:BPMNPlane bpmnElement="C1275940932557">
      <bpmndi:BPMNShape id="Trisotech.Visio__6-53" bpmnElement="_6-53" isHorizontal="true">
        <dc:Bounds x="160" y="80" width="1050" height="295" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-125" bpmnElement="_6-125">
        <di:waypoint x="266" y="143" />
        <di:waypoint x="315" y="143" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-178" bpmnElement="_6-178">
        <di:waypoint x="398" y="143" />
        <di:waypoint x="435" y="143" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-436" bpmnElement="_6-436">
        <di:waypoint x="1088" y="194" />
        <di:waypoint x="1106" y="194" />
        <di:waypoint x="1126" y="194" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-434" bpmnElement="_6-434">
        <di:waypoint x="980" y="194" />
        <di:waypoint x="1004" y="194" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-426" bpmnElement="_6-426">
        <di:waypoint x="650" y="283" />
        <di:waypoint x="668" y="283" />
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-428" bpmnElement="_6-428">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-422" bpmnElement="_6-422">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-424" bpmnElement="_6-424">
        <di:waypoint x="569" y="215" />
        <di:waypoint x="569" y="283" />
        <di:waypoint x="618" y="283" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-420" bpmnElement="_6-420">
        <di:waypoint x="518" y="143" />
        <di:waypoint x="569" y="143" />
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-430" bpmnElement="_6-430">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-180" bpmnElement="_6-180">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-202" bpmnElement="_6-202">
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        <bpmndi:BPMNLabel>
          <dc:Bounds x="793" y="156" width="76" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-219" bpmnElement="_6-219">
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        <bpmndi:BPMNLabel>
          <dc:Bounds x="607" y="299" width="54" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-236" bpmnElement="_6-236">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-304" bpmnElement="_6-304">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-355" bpmnElement="_6-355">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-406" bpmnElement="_6-406">
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        <bpmndi:BPMNLabel>
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        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-127" bpmnElement="_6-127">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-74" bpmnElement="_6-74">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-61" bpmnElement="_6-61">
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        <bpmndi:BPMNLabel>
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        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6-438" bpmnElement="_6-438" isHorizontal="true">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-650" bpmnElement="_6-650" isHorizontal="true">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-446" bpmnElement="_6-446" isHorizontal="true">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Trisotech.Visio__6__6-448" bpmnElement="_6-448" isHorizontal="true">
        <dc:Bounds x="190" y="640" width="1020" height="120" />
        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-634" bpmnElement="_6-634">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-636" bpmnElement="_6-636">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-630" bpmnElement="_6-630">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-632" bpmnElement="_6-632">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-691" bpmnElement="_6-691">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-693" bpmnElement="_6-693">
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      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-746" bpmnElement="_6-746">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge id="Trisotech.Visio__6__6-748" bpmnElement="_6-748">
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNEdge>
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
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      </bpmndi:BPMNShape>
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        <bpmndi:BPMNLabel />
      </bpmndi:BPMNShape>
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        <bpmndi:BPMNLabel />
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    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</semantic:definitions>`;
}