docs: def valid():
      '''
      List valid entries in mine configuration.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' mine.valid
      '''
      m_data = __salt__['config.merge']('mine_functions', {})
      # If we don't have any mine functions configured, then we should just bail out
      if not m_data:
          return
  
      data = {}
      for func in m_data:
          if m_data[func] and isinstance(m_data[func], dict):
              mine_func = m_data[func].pop('mine_function', func)
              if not _mine_function_available(mine_func):
                  continue
              data[func] = {mine_func: m_data[func]}
          elif m_data[func] and isinstance(m_data[func], list):
              mine_func = func
              if isinstance(m_data[func][0], dict) and 'mine_function' in m_data[func][0]:
                  mine_func = m_data[func][0]['mine_function']
                  m_data[func].pop(0)
  
              if not _mine_function_available(mine_func):
                  continue
              data[func] = {mine_func: m_data[func]}
          else:
              if not _mine_function_available(func):
                  continue
              data[func] = m_data[func]
  
      return data