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  <zoom_level>8</zoom_level>
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    <panel_attributes>optional
</panel_attributes>
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      <y>168</y>
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      <h>56</h>
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    <panel_attributes>lt=&lt;
async. destroy</panel_attributes>
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  <element>
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      <w>144</w>
      <h>56</h>
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    <panel_attributes>interaction frame</panel_attributes>
    <additional_attributes/>
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      <y>80</y>
      <w>16</w>
      <h>48</h>
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    <panel_attributes>bg=red</panel_attributes>
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      <w>80</w>
      <h>24</h>
    </coordinates>
    <panel_attributes>_:O2_
bg=red</panel_attributes>
    <additional_attributes/>
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    <panel_attributes>_:O1_
bg=orange</panel_attributes>
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      <h>64</h>
    </coordinates>
    <panel_attributes>This is a preliminary version of UMLet's 
sequence diagrams; we are currently
working on a more efficient, text-based 
way of creating them.</panel_attributes>
    <additional_attributes/>
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    <type>com.umlet.element.Class</type>
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    <panel_attributes>_:Instance_</panel_attributes>
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      <w>40</w>
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      <y>40</y>
      <w>136</w>
      <h>56</h>
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    <panel_attributes>lt=&lt;&lt;-
sync. call</panel_attributes>
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  <element>
    <type>com.umlet.element.Relation</type>
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      <x>200</x>
      <y>88</y>
      <w>136</w>
      <h>56</h>
    </coordinates>
    <panel_attributes>lt=&lt;
async. return</panel_attributes>
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  <element>
    <type>com.umlet.element.Relation</type>
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      <h>56</h>
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    <panel_attributes>lt=&lt;
asyncMsg</panel_attributes>
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  <element>
    <type>com.umlet.element.Relation</type>
    <coordinates>
      <x>0</x>
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      <h>40</h>
    </coordinates>
    <panel_attributes>lt=&lt;</panel_attributes>
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  <element>
    <type>com.umlet.element.custom.SeqDestroyMark</type>
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      <h>16</h>
    </coordinates>
    <panel_attributes/>
    <additional_attributes/>
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  <element>
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      <w>16</w>
      <h>48</h>
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    <panel_attributes/>
    <additional_attributes/>
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      <x>0</x>
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      <h>56</h>
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    <panel_attributes>lt=&lt;&lt;-
syncMsg
</panel_attributes>
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  <element>
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      <h>40</h>
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    <panel_attributes>lt=&lt;&lt;&lt;&lt;&lt;-
</panel_attributes>
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  <element>
    <type>com.umlet.element.Relation</type>
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      <w>40</w>
      <h>72</h>
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    <panel_attributes>lt=.</panel_attributes>
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  <element>
    <type>com.umlet.element.Relation</type>
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      <h>120</h>
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    <panel_attributes>lt=.</panel_attributes>
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  <group>
    <element>
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      <coordinates>
        <x>16</x>
        <y>248</y>
        <w>360</w>
        <h>200</h>
      </coordinates>
      <panel_attributes>interaction frame
--
 
with inner frames
-.
 
 
 
 
-.</panel_attributes>
      <additional_attributes/>
    </element>
    <element>
      <type>com.umlet.element.custom.InteractionFrame</type>
      <coordinates>
        <x>48</x>
        <y>304</y>
        <w>312</w>
        <h>40</h>
      </coordinates>
      <panel_attributes>interaction frame</panel_attributes>
      <additional_attributes/>
    </element>
    <element>
      <type>com.umlet.element.custom.InteractionFrame</type>
      <coordinates>
        <x>48</x>
        <y>368</y>
        <w>312</w>
        <h>72</h>
      </coordinates>
      <panel_attributes>interaction frame
--
inner</panel_attributes>
      <additional_attributes/>
    </element>
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</diagram>
