docs: public ListCertificateAuthoritiesResult withCertificateAuthorities(CertificateAuthority... certificateAuthorities) {
          if (this.certificateAuthorities == null) {
              setCertificateAuthorities(new java.util.ArrayList<CertificateAuthority>(certificateAuthorities.length));
          }
          for (CertificateAuthority ele : certificateAuthorities) {
              this.certificateAuthorities.add(ele);
          }
          return this;
      }