return {
  summary = 'Get the HingeJoint\'s axis.',
  description = 'Returns the axis of the hinge.',
  arguments = {},
  returns = {
    {
      name = 'x',
      type = 'number',
      description = 'The x component of the axis.'
    },
    {
      name = 'y',
      type = 'number',
      description = 'The y component of the axis.'
    },
    {
      name = 'z',
      type = 'number',
      description = 'The z component of the axis.'
    }
  }
}
