code: public String toTemplateString() {
      String[] parametersName =
          this.parameters.stream().map(VariableInfo::getName).toArray(String[]::new);
  
      return this.getId() + "(" + String.join(", ", parametersName) + ")";
    }
docs: Return this expression as a string that can be placed in the template as a replacement of the
  Java expression.
  
  @return An expression that can be interpreted by Vue.js