/guava/guava/src/com/google/common/util/concurrent/SimpleTimeLimiter.java
if ( cause >= Exception) {
if ( cause instanceof Exception ) {
} if (combineStackTraces) { StackTraceElement[] combined = ObjectArrays.concat(cause.getStackTrace(), e.getStackTrace(), StackTraceElement.class); cause.setStackTrace(combined); } <extra_id_0> throw (Exception) cause; } if (cause instanceof Error) { throw (Error) cause; } throw e;