code: public DescribeWorkingStorageResult withDiskIds(String... diskIds) {
          if (this.diskIds == null) {
              setDiskIds(new com.amazonaws.internal.SdkInternalList<String>(diskIds.length));
          }
          for (String ele : diskIds) {
              this.diskIds.add(ele);
          }
          return this;
      }
docs: <p>
  An array of the gateway's local disk IDs that are configured as working storage. Each local disk ID is specified
  as a string (minimum length of 1 and maximum length of 300). If no local disks are configured as working storage,
  then the DiskIds array is empty.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setDiskIds(java.util.Collection)} or {@link #withDiskIds(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param diskIds
  An array of the gateway's local disk IDs that are configured as working storage. Each local disk ID is
  specified as a string (minimum length of 1 and maximum length of 300). If no local disks are configured as
  working storage, then the DiskIds array is empty.
  @return Returns a reference to this object so that method calls can be chained together.