code: public PlatformSummary withSupportedTierList(String... supportedTierList) {
          if (this.supportedTierList == null) {
              setSupportedTierList(new com.amazonaws.internal.SdkInternalList<String>(supportedTierList.length));
          }
          for (String ele : supportedTierList) {
              this.supportedTierList.add(ele);
          }
          return this;
      }
docs: <p>
  The tiers in which the platform runs.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSupportedTierList(java.util.Collection)} or {@link #withSupportedTierList(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param supportedTierList
  The tiers in which the platform runs.
  @return Returns a reference to this object so that method calls can be chained together.