code: def translate_aliases(kwargs, aliases):
      
      result = {}
  
      for given_key, value in kwargs.items():
          canonical_key = aliases.get(given_key, given_key)
          if canonical_key in result:
              # dupe found: go through the dict so we can have a nice-ish error
              key_names = ', '.join("{}".format(k) for k in kwargs if
                                    aliases.get(k) == canonical_key)
  
              raise dbt.exceptions.AliasException(
                  'Got duplicate keys: ({}) all map to "{}"'
                  .format(key_names, canonical_key)
              )
  
          result[canonical_key] = value
  
      return result
docs: Given a dict of keyword arguments and a dict mapping aliases to their
      canonical values, canonicalize the keys in the kwargs dict.
  
      :return: A dict continaing all the values in kwargs referenced by their
          canonical key.
      :raises: `AliasException`, if a canonical key is defined more than once.