text: STATE_DB = ''
  CHASSIS_STATE_DB = ''
  
  
  class Table:
      def __init__(self, db, table_name):
          self.table_name = table_name
          self.mock_dict = {}
  
      def _del(self, key):
          if key in self.mock_dict:
              del self.mock_dict[key]
          pass
  
      def set(self, key, fvs):
          self.mock_dict[key] = fvs
          pass
  
      def get(self, key):
          if key in self.mock_dict:
              return self.mock_dict[key]
          return None
  
      def get_size(self):
          return (len(self.mock_dict))
  
  
  class FieldValuePairs:
      def __init__(self, fvs):
          self.fv_dict = dict(fvs)
          pass
  