91      public: std::optional<std::string> 
Name(
 
  112      public: std::optional<math::Pose3d> 
Pose(
 
  126      public: std::optional<std::vector<sdf::JointAxis>> 
Axis(
 
  133      public: std::optional<sdf::JointType> 
Type(
 
  227          bool _enable = 
true) 
const;
 
  236          bool _enable = 
true) 
const;
 
  245          bool _enable = 
true) 
const;
 
  252      public: std::optional<std::vector<double>> 
Velocity(
 
  260      public: std::optional<std::vector<double>> 
Position(
 
  279      GZ_UTILS_IMPL_PTR(dataPtr)