def METHOD_NAME(self, key, value, max_length_key):
    """Prepend a fixed-length string list with a new string.
    The oldest string will be removed from the list. If the string is
    already in the list, it is shuffled to the top. Use this to implement
    things like a 'most recent files' entry.
    """
    max_len = self.get(max_length_key)
    strings = self.get_string_list(key)
    strings = [value] + [x for x in strings if x != value]
    strings = strings[:max_len]
    self.beginWriteArray(key)
    for i in range(len(strings)):
        self.setArrayIndex(i)
        self.setValue("entry", strings[i])
    self.endArray()