diff --git a/UML.svg b/UML.svg
new file mode 100644
index 0000000..42986a7
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+++ b/UML.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Do not edit this file with editors other than draw.io -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" style="background: transparent; background-color: transparent; color-scheme: light dark;" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="191px" height="191px" viewBox="0 0 191 191" content="&lt;mxfile host=&quot;Electron&quot; agent=&quot;Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/29.0.3 Chrome/140.0.7339.249 Electron/38.7.1 Safari/537.36&quot; version=&quot;29.0.3&quot;&gt;&#10;  &lt;diagram name=&quot;Page-1&quot; id=&quot;wXHISj1XlbxrcXSDz19l&quot;&gt;&#10;    &lt;mxGraphModel dx=&quot;1426&quot; dy=&quot;840&quot; grid=&quot;1&quot; gridSize=&quot;10&quot; guides=&quot;1&quot; tooltips=&quot;1&quot; connect=&quot;1&quot; arrows=&quot;1&quot; fold=&quot;1&quot; page=&quot;1&quot; pageScale=&quot;1&quot; pageWidth=&quot;850&quot; pageHeight=&quot;1100&quot; math=&quot;0&quot; shadow=&quot;0&quot;&gt;&#10;      &lt;root&gt;&#10;        &lt;mxCell id=&quot;0&quot; /&gt;&#10;        &lt;mxCell id=&quot;1&quot; parent=&quot;0&quot; /&gt;&#10;        &lt;mxCell id=&quot;POviboA-17YCneUJ8UKF-10&quot; value=&quot;&amp;lt;p style=&amp;quot;margin:0px;margin-top:4px;text-align:center;&amp;quot;&amp;gt;&amp;lt;i&amp;gt;&amp;amp;lt;&amp;amp;lt;Interface&amp;amp;gt;&amp;amp;gt;&amp;lt;/i&amp;gt;&amp;lt;br&amp;gt;&amp;lt;b&amp;gt;Interface&amp;lt;/b&amp;gt;&amp;lt;/p&amp;gt;&amp;lt;hr size=&amp;quot;1&amp;quot; style=&amp;quot;border-style:solid;&amp;quot;&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;+ field1: Type&amp;lt;br&amp;gt;+ field2: Type&amp;lt;/p&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;&amp;lt;br&amp;gt;&amp;lt;/p&amp;gt;&amp;lt;hr size=&amp;quot;1&amp;quot; style=&amp;quot;border-style:solid;&amp;quot;&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;+ method1(Type): Type&amp;lt;br&amp;gt;+ method2(Type, Type): Type&amp;lt;/p&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;+ redtz&amp;lt;/p&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;&amp;lt;br&amp;gt;&amp;lt;/p&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;&amp;lt;br&amp;gt;&amp;lt;/p&amp;gt;&amp;lt;p style=&amp;quot;margin:0px;margin-left:4px;&amp;quot;&amp;gt;&amp;lt;br&amp;gt;&amp;lt;/p&amp;gt;&quot; style=&quot;verticalAlign=top;align=left;overflow=fill;html=1;whiteSpace=wrap;&quot; vertex=&quot;1&quot; parent=&quot;1&quot;&gt;&#10;          &lt;mxGeometry x=&quot;230&quot; y=&quot;160&quot; width=&quot;190&quot; height=&quot;190&quot; as=&quot;geometry&quot; /&gt;&#10;        &lt;/mxCell&gt;&#10;      &lt;/root&gt;&#10;    &lt;/mxGraphModel&gt;&#10;  &lt;/diagram&gt;&#10;&lt;/mxfile&gt;&#10;"><defs/><g><g data-cell-id="0"><g data-cell-id="1"><g data-cell-id="POviboA-17YCneUJ8UKF-10"><g transform="translate(0.5,0.5)"><rect x="0" y="0" width="190" height="190" fill="#ffffff" stroke="#000000" pointer-events="all" style="fill: light-dark(#ffffff, var(--ge-dark-color, #121212)); stroke: light-dark(rgb(0, 0, 0), rgb(255, 255, 255));"/></g><g><g><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 192px; height: 190px; padding-top: 0px; margin-left: 0px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 190px; overflow: hidden; color: #000000; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: light-dark(#000000, #ffffff); line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: normal; word-wrap: normal; "><p style="margin:0px;margin-top:4px;text-align:center;"><i>&lt;&lt;Interface&gt;&gt;</i><br /><b>Interface</b></p><hr size="1" style="border-style:solid;" /><p style="margin:0px;margin-left:4px;">+ field1: Type<br />+ field2: Type</p><p style="margin:0px;margin-left:4px;"><br /></p><hr size="1" style="border-style:solid;" /><p style="margin:0px;margin-left:4px;">+ method1(Type): Type<br />+ method2(Type, Type): Type</p><p style="margin:0px;margin-left:4px;">+ redtz</p><p style="margin:0px;margin-left:4px;"><br /></p><p style="margin:0px;margin-left:4px;"><br /></p><p style="margin:0px;margin-left:4px;"><br /></p></div></div></div></foreignObject><text x="0" y="12" fill="light-dark(#000000, #ffffff)" font-family="Helvetica" font-size="12px">&lt;&lt;Interface&gt;&gt;...</text></switch></g></g></g></g></g></g><switch><g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/><a transform="translate(0,-5)" xlink:href="https://www.drawio.com/doc/faq/svg-export-text-problems" target="_blank"><text text-anchor="middle" font-size="10px" x="50%" y="100%">Text is not SVG - cannot display</text></a></switch></svg>
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