# | Line 21 | Line 21 | package java.util.concurrent; | |
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21 | * @author Doug Lea | |
22 | */ | |
23 | public class CancellationException extends IllegalStateException { | |
24 | + | private static final long serialVersionUID = -9202173006928992231L; |
25 | ||
26 | /** | |
27 | * Constructs a <tt>CancellationException</tt> with no detail message. |
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