code: public boolean append(AuditContext context) {
      try {
        mAuditLogEntries.put(context);
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        return false;
      }
      return true;
    }
docs: Appends an {@link AuditContext}.
  
  @param context the audit context to append
  @return true if append operation succeeds, false otherwise