public SWIGTYPE_p_btTypedConstraint getConstraintRef(int index)
{
IntPtr cPtr = BulletDynamicsPINVOKE.btRigidBody_getConstraintRef(swigCPtr, index);
SWIGTYPE_p_btTypedConstraint ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_btTypedConstraint(cPtr, false);
return ret;
}