code: public DescribeSnapshotsRequest withRestorableByUserIds(String... restorableByUserIds) {
          if (this.restorableByUserIds == null) {
              setRestorableByUserIds(new com.amazonaws.internal.SdkInternalList<String>(restorableByUserIds.length));
          }
          for (String ele : restorableByUserIds) {
              this.restorableByUserIds.add(ele);
          }
          return this;
      }
docs: <p>
  The IDs of the AWS accounts that can create volumes from the snapshot.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRestorableByUserIds(java.util.Collection)} or {@link #withRestorableByUserIds(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param restorableByUserIds
  The IDs of the AWS accounts that can create volumes from the snapshot.
  @return Returns a reference to this object so that method calls can be chained together.