code: public ListPlatformVersionsResult withPlatformSummaryList(PlatformSummary... platformSummaryList) {
          if (this.platformSummaryList == null) {
              setPlatformSummaryList(new com.amazonaws.internal.SdkInternalList<PlatformSummary>(platformSummaryList.length));
          }
          for (PlatformSummary ele : platformSummaryList) {
              this.platformSummaryList.add(ele);
          }
          return this;
      }
docs: <p>
  Detailed information about the platforms.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPlatformSummaryList(java.util.Collection)} or {@link #withPlatformSummaryList(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param platformSummaryList
  Detailed information about the platforms.
  @return Returns a reference to this object so that method calls can be chained together.