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