code: public void setStackSummaries(java.util.Collection<StackSummary> stackSummaries) {
          if (stackSummaries == null) {
              this.stackSummaries = null;
              return;
          }
  
          this.stackSummaries = new com.amazonaws.internal.SdkInternalList<StackSummary>(stackSummaries);
      }
docs: <p>
  A list of <code>StackSummary</code> structures containing information about the specified stacks.
  </p>
  
  @param stackSummaries
  A list of <code>StackSummary</code> structures containing information about the specified stacks.