code: public DescribeProvisioningParametersResult withConstraintSummaries(ConstraintSummary... constraintSummaries) {
          if (this.constraintSummaries == null) {
              setConstraintSummaries(new java.util.ArrayList<ConstraintSummary>(constraintSummaries.length));
          }
          for (ConstraintSummary ele : constraintSummaries) {
              this.constraintSummaries.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the constraints used to provision the product.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setConstraintSummaries(java.util.Collection)} or {@link #withConstraintSummaries(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param constraintSummaries
  Information about the constraints used to provision the product.
  @return Returns a reference to this object so that method calls can be chained together.