code: public void marshall(CreateKeyRequest createKeyRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (createKeyRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(createKeyRequest.getPolicy(), POLICY_BINDING);
              protocolMarshaller.marshall(createKeyRequest.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(createKeyRequest.getKeyUsage(), KEYUSAGE_BINDING);
              protocolMarshaller.marshall(createKeyRequest.getOrigin(), ORIGIN_BINDING);
              protocolMarshaller.marshall(createKeyRequest.getCustomKeyStoreId(), CUSTOMKEYSTOREID_BINDING);
              protocolMarshaller.marshall(createKeyRequest.getBypassPolicyLockoutSafetyCheck(), BYPASSPOLICYLOCKOUTSAFETYCHECK_BINDING);
              protocolMarshaller.marshall(createKeyRequest.getTags(), TAGS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.