code: public static <T> T unmarshal(final String yamlContent, final Class<T> classType) {
          return new Yaml(new Constructor(classType)).loadAs(yamlContent, classType);
      }
docs: Unmarshal YAML.
  
  @param yamlContent YAML content
  @param classType class type
  @param <T> type of class
  @return object from YAML