code: protected InputsModel toInputsModel(Input[] inputs, KnowledgeNamespace knowledgeNamespace) {
          InputsModel inputsModel = null;
          if (inputs != null) {
              for (Input input : inputs) {
                  if (input != null) {
                      InputModel inputModel = new V1InputModel(knowledgeNamespace.uri());
                      String from = input.from();
                      if (!UNDEFINED.equals(from)) {
                          inputModel.setFrom(from);
                      }
                      String to = input.to();
                      if (!UNDEFINED.equals(to)) {
                          inputModel.setTo(to);
                      }
                      if (inputsModel == null) {
                          inputsModel = new V1InputsModel(knowledgeNamespace.uri());
                      }
                      inputsModel.addInput(inputModel);
                  }
              }
          }
          return inputsModel;
      }
docs: Converts inputs to mappings model.
  
  @param inputs inputs
  @param knowledgeNamespace knowledgeNamespace
  @return mappings model