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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xl="http://www.w3.org/1999/xlink" version="1.1" viewBox="11 1 542 578" width="542pt" height="578pt"><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"><dc:date>2012-12-10 11:32Z</dc:date><!-- Produced by OmniGraffle Professional 5.4.4 --></metadata><defs><font-face font-family="Hiragino Kaku Gothic ProN" font-size="12" panose-1="2 11 3 0 0 0 0 0 0 0" units-per-em="1000" underline-position="-60" underline-thickness="63.000004" slope="0" x-height="545" cap-height="766" ascent="880.00183" descent="-120.000244" font-weight="400"><font-face-src><font-face-name name="HiraKakuProN-W3"/></font-face-src></font-face><font-face font-family="Hiragino Kaku Gothic ProN" font-size="12" panose-1="2 11 6 0 0 0 0 0 0 0" units-per-em="1000" underline-position="-60" underline-thickness="117" slope="0" x-height="562" cap-height="784" ascent="880.00183" descent="-120.000244" font-weight="bold"><font-face-src><font-face-name name="HiraKakuProN-W6"/></font-face-src></font-face><font-face font-family="Helvetica" font-size="12" units-per-em="1000" underline-position="-75.683594" underline-thickness="49.316406" slope="0" x-height="522.94922" cap-height="717.28516" ascent="770.01953" descent="-229.98047" font-weight="500"><font-face-src><font-face-name name="Helvetica"/></font-face-src></font-face><marker orient="auto" overflow="visible" markerUnits="strokeWidth" id="FilledArrow_Marker" viewBox="-1 -5 11 10" markerWidth="11" markerHeight="10" color="black"><g><path d="M 8.1142883 0 L 0 -3.0428581 L 0 3.0428581 Z" fill="currentColor" stroke="currentColor" stroke-width="1"/></g></marker><marker orient="auto" overflow="visible" markerUnits="strokeWidth" id="Arrow_Marker" viewBox="-9 -4 10 8" markerWidth="10" markerHeight="8" color="black"><g><path d="M -8 0 L 0 3 L 0 -3 Z" fill="none" stroke="currentColor" stroke-width="1"/></g></marker><marker orient="auto" overflow="visible" markerUnits="strokeWidth" id="Arrow_Marker_2" viewBox="-1 -5 11 10" markerWidth="11" markerHeight="10" color="black"><g><path d="M 8.1142883 0 L 0 -3.0428581 L 0 3.0428581 Z" fill="none" stroke="currentColor" stroke-width="1"/></g></marker></defs><g stroke="none" stroke-opacity="1" stroke-dasharray="none" fill="none" fill-opacity="1"><title>キャンバス 1</title><rect fill="white" width="559" height="783"/><g><title>レイヤー 1</title><rect x="181" y="323" width="176" height="36" fill="white"/><rect x="181" y="323" width="176" height="36" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(186 323)" fill="black"><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="400" x="0" y="11" textLength="157.008">+ Attributes getAttribute()</tspan><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="400" x="0" y="29" textLength="142.86">+ Children getChildren()</tspan></text><rect x="181" y="287" width="176" height="36" fill="white"/><rect x="181" y="287" width="176" height="36" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(186 287)" fill="black"><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="bold" x="43.712" y="11" textLength="78.575996">&lt;&lt;inteface&gt;&gt;</tspan><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="bold" x="65.99" y="29" textLength="34.02">Node</tspan></text><rect x="22" y="446.5" width="185" height="18" fill="white"/><rect x="22" y="446.5" width="185" height="18" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(27 446.5)" fill="black"><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="400" x="0" y="11" textLength="63.624">+ ByteBuff</tspan><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="400" x="63.624" y="11" textLength="104.664">er get(String key)</tspan></text><rect x="22" y="410.5" width="185" height="36" fill="white"/><rect x="22" y="410.5" width="185" height="36" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(27 410.5)" fill="black"><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="bold" x="48.212" y="11" textLength="78.575996">&lt;&lt;inteface&gt;&gt;</tspan><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="bold" x="54.608" y="29" textLength="65.783997">Attributes</tspan></text><rect x="337.5" y="446.5" width="185" height="18" fill="white"/><rect x="337.5" y="446.5" width="185" height="18" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/><text transform="translate(342.5 446.5)" fill="black"><tspan font-family="Hiragino Kaku Gothic ProN" font-size="12" font-weight="400" x="0" y="11" textLength="156.504">+ Iterator&lt;Node&gt; 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