code: public DescribeBackupsRequest withBackupIds(String... backupIds) {
          if (this.backupIds == null) {
              setBackupIds(new java.util.ArrayList<String>(backupIds.length));
          }
          for (String ele : backupIds) {
              this.backupIds.add(ele);
          }
          return this;
      }
docs: <p>
  (Optional) IDs of the backups you want to retrieve (String). This overrides any filters. If any IDs are not
  found, BackupNotFound will be thrown.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setBackupIds(java.util.Collection)} or {@link #withBackupIds(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param backupIds
  (Optional) IDs of the backups you want to retrieve (String). This overrides any filters. If any IDs are
  not found, BackupNotFound will be thrown.
  @return Returns a reference to this object so that method calls can be chained together.