code: public DescribeRaidArraysResult withRaidArrays(RaidArray... raidArrays) {
          if (this.raidArrays == null) {
              setRaidArrays(new com.amazonaws.internal.SdkInternalList<RaidArray>(raidArrays.length));
          }
          for (RaidArray ele : raidArrays) {
              this.raidArrays.add(ele);
          }
          return this;
      }
docs: <p>
  A <code>RaidArrays</code> object that describes the specified RAID arrays.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRaidArrays(java.util.Collection)} or {@link #withRaidArrays(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param raidArrays
  A <code>RaidArrays</code> object that describes the specified RAID arrays.
  @return Returns a reference to this object so that method calls can be chained together.