return loadAlreadyProducedOutput(workspace);
            }
        };
    }

    private void instrument(File sourceDir, File destination) {
        ClasspathElementTransform transform = transformFactory.createTransformer(sourceDir, new InstrumentingClassTransform(), InstrumentationTypeRegistry.EMPTY);
        transform.transform(destination);
    }

    @Nullable
    @Override

#include "absl/status/statusor.h"
#include "absl/strings/str_format.h"
#include "absl/strings/string_view.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SMLoc.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/raw_ostream.h"
#include "mlir/Dialect/Arith/IR/Arith.h"  // from @llvm-project
#include "mlir/Dialect/Func/Extensions/AllExtensions.h"  // from @llvm-project

absl::StatusOr<mlir::OwningOpRef<mlir::ModuleOp>> ImportFlatbufferOrMlir(
    const std::string& input_filename, bool input_mlir,
    bool experimental_prune_unreachable_nodes_unconditionally,
    llvm::SourceMgr* source_mgr, mlir::MLIRContext* context);

// Export the module to file, can be either mlir or flatbuffer.
absl::Status ExportFlatbufferOrMlir(const std::string& output_filename,