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<pre>public static&nbsp;java.lang.String LABEL_CURVE</pre>
<div class="block">Defines the key for the label curve index</div>
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<h4>INVALID_POSITION</h4>
<pre>public static&nbsp;<a href="mxLine.html" title="class in com.mxgraph.util">mxLine</a> INVALID_POSITION</pre>
<div class="block">Indicates that an invalid position on a curve was requested</div>
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