def supports_language_types_for_translation(self, source_language_type=None, source_script_type=None, target_language_type=None, target_script_type=None):
Tests if a given language translation is supported.

        arg:    source_language_type (osid.type.Type): the type of the
                source language
        arg:    source_script_type (osid.type.Type): the type of the
                source script
        arg:    target_language_type (osid.type.Type): the type of the
                target language
        arg:    target_script_type (osid.type.Type): the type of the
                target script
        return: (boolean) - ``true`` if the given source and target
                translation is supported, ``false`` otherwise
        raise:  NullArgument - ``source_language_type,
                source_script_type, target_language_type`` or
                ``target_script_type`` is ``null``
        *compliance: mandatory -- This method must be implemented.*