/** Returns a String representation for this FailureSequence. */
public String toString() {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < opSequence.size(); i += 1) {
sb.append(opSequence.get(i) + "\n");
}
return sb.toString();
}
/* Adds an operation to the failure sequence. */
public void addOperation(DequeOperation dequeOp) {
opSequence.addLast(dequeOp);
}
