throw new NullPointerException("code == null");
}
try {
if (catches.isMutable()) {
throw new MutabilityException("catches.isMutable()");
}
} catch (NullPointerException ex) {
// Translate the exception.
throw new NullPointerException("catches == null");
}
try {
if (attributes.isMutable()) {
throw new MutabilityException("attributes.isMutable()");
}
} catch (NullPointerException ex) {
// Translate the exception.
throw new NullPointerException("attributes == null");
}