ExceptionCause is actually still used #124 (comment)

Author: jglick

src/main/java/org/jenkinsci/plugins/workflow/steps/ExceptionCause.java

@@ -4,7 +4,14 @@
 
 import java.io.Serializable;
 
-@Deprecated
+/**
+ * {@link CauseOfInterruption} that captures random {@link Throwable},
+ * which is used when the cancellation is in response to some failures.
+ *
+ * TODO: move this to core
+ * TODO: better summary.jelly
+ * @author Kohsuke Kawaguchi
+ */
 class ExceptionCause extends CauseOfInterruption implements Serializable {
     private final Throwable t;
 

src/main/java/org/jenkinsci/plugins/workflow/steps/SynchronousStepExecution.java

@@ -51,6 +51,7 @@ public void stop(Throwable cause) throws Exception {
         Thread e = executing;   // capture
         if (e!=null) {
             if (e instanceof Executor) {
+                // TODO if cause instanceof FlowInterruptedException, unpack result & causes
                 ((Executor) e).interrupt(ABORTED, new ExceptionCause(cause));
             } else {
                 e.interrupt();