code: def new(cls, store_type, store_entries):
          
          if store_type not in ['jks', 'jceks']:
              raise UnsupportedKeystoreTypeException("The Keystore Type '%s' is not supported" % store_type)
  
          entries = {}
          for entry in store_entries:
              if not isinstance(entry, AbstractKeystoreEntry):
                  raise UnsupportedKeystoreEntryTypeException("Entries must be a KeyStore Entry")
  
              if store_type != 'jceks' and isinstance(entry, SecretKeyEntry):
                  raise UnsupportedKeystoreEntryTypeException('Secret Key only allowed in JCEKS keystores')
  
              alias = entry.alias
  
              if alias in entries:
                  raise DuplicateAliasException("Found duplicate alias '%s'" % alias)
              entries[alias] = entry
  
          return cls(store_type, entries)
docs: Helper function to create a new KeyStore.
  
          :param string store_type: What kind of keystore
            the store should be. Valid options are jks or jceks.
          :param list store_entries: Existing entries that
            should be added to the keystore.
  
          :returns: A loaded :class:`KeyStore` instance,
            with the specified entries.
  
          :raises DuplicateAliasException: If some of the
            entries have the same alias.
          :raises UnsupportedKeyStoreTypeException: If the keystore is of
            an unsupported type
          :raises UnsupportedKeyStoreEntryTypeException: If some
            of the keystore entries are unsupported (in this keystore type)