generateImports function
Generate import statements with indexed aliases (_$0, _$1, etc.)
Implementation
String generateImports(List<SlangPackageInfo> packages) {
final buffer = StringBuffer();
for (var i = 0; i < packages.length; i++) {
buffer.writeln("import '${packages[i].importPath}' as _\$$i;");
}
return buffer.toString();
}