code: public ListCertificatesResult withCertificateSummaryList(CertificateSummary... certificateSummaryList) {
          if (this.certificateSummaryList == null) {
              setCertificateSummaryList(new java.util.ArrayList<CertificateSummary>(certificateSummaryList.length));
          }
          for (CertificateSummary ele : certificateSummaryList) {
              this.certificateSummaryList.add(ele);
          }
          return this;
      }
docs: <p>
  A list of ACM certificates.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCertificateSummaryList(java.util.Collection)} or
  {@link #withCertificateSummaryList(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param certificateSummaryList
  A list of ACM certificates.
  @return Returns a reference to this object so that method calls can be chained together.