namespace tf_saved_model {

//===----------------------------------------------------------------------===//
// Utilities
//===----------------------------------------------------------------------===//

static bool IsStrArrayAttr(Attribute attr) {
  auto array = mlir::dyn_cast<ArrayAttr>(attr);
  if (!array) return false;

  return llvm::all_of(
      array, [](Attribute attr) { return mlir::isa<StringAttr>(attr); });
}