code: public void marshall(ImportCertificateRequest importCertificateRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (importCertificateRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(importCertificateRequest.getCertificateIdentifier(), CERTIFICATEIDENTIFIER_BINDING);
              protocolMarshaller.marshall(importCertificateRequest.getCertificatePem(), CERTIFICATEPEM_BINDING);
              protocolMarshaller.marshall(importCertificateRequest.getCertificateWallet(), CERTIFICATEWALLET_BINDING);
              protocolMarshaller.marshall(importCertificateRequest.getTags(), TAGS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.