aliasId = parseDefId();
ParseHelper parse = new ParseHelper(aliasId.getStartPos());
consumeLookAhead(DeeTokens.ASSIGN);
RefModule refModule = parseRefModule();
fragment = parse.conclude(new ImportAlias(aliasId, refModule));
} else {
RefModule refModule = parseRefModule();
fragment = conclude(srOf(refModule, new ImportContent(refModule)));
}