docs: public void marshall(CreateGrantRequest createGrantRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (createGrantRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(createGrantRequest.getKeyId(), KEYID_BINDING);
              protocolMarshaller.marshall(createGrantRequest.getGranteePrincipal(), GRANTEEPRINCIPAL_BINDING);
              protocolMarshaller.marshall(createGrantRequest.getRetiringPrincipal(), RETIRINGPRINCIPAL_BINDING);
              protocolMarshaller.marshall(createGrantRequest.getOperations(), OPERATIONS_BINDING);
              protocolMarshaller.marshall(createGrantRequest.getConstraints(), CONSTRAINTS_BINDING);
              protocolMarshaller.marshall(createGrantRequest.getGrantTokens(), GRANTTOKENS_BINDING);
              protocolMarshaller.marshall(createGrantRequest.getName(), NAME_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }