key: "shared_name"
    value {
      s: ""
    }
  }
}
node {
  name: "Variable/Assign"
  op: "Assign"
  input: "Variable"
  input: "Variable/initial_value"
  attr {
    key: "T"
    value {
      type: DT_FLOAT
    }
  }
  attr {
    key: "_class"
    value {
      list {
        s: "loc:@Variable"
      }
    }
  }
  attr {
    key: "use_locking"
    value {
      b: true

      // Empty string means the variable isn't applicable for saving.
      saved_variable_shared_names.emplace_back(
          std::move(*variable_shared_name));
      VLOG(1) << "Saved a variable with shared_name: " << *variable_shared_name;
    }
  }

  // Exit early if no variables are added.
  if (saved_variable_shared_names.empty()) {
    LOG(INFO) << "No variables are saved to checkpoint";

    for (const auto& restored_var : restored_vars) {
      // Each restored var should match a SavedObjectGraph node with the same
      // variable name.
      const auto& saved_node =
          bundle->saved_object_graph().nodes(std::get<0>(restored_var));
      EXPECT_EQ(std::get<1>(restored_var), saved_node.variable().name());

      // And should be able to load it from the tensor_bundle.
      Tensor value;
      TF_ASSERT_OK(

	var a, b = 1    // ERROR "assignment mismatch: 2 variables but 1 value|wrong number of initializations|cannot initialize"
	_ = 1, 2        // ERROR "assignment mismatch: 1 variable but 2 values|number of variables does not match|cannot assign"
	c, d := 1       // ERROR "assignment mismatch: 2 variables but 1 value|wrong number of initializations|cannot initialize"

	)

	ErrMissingEnvCredentialSecretKey = newErrFn(
		"Missing credential environment variable, \""+EnvSecretKey+"\"",
		"Environment variables \""+EnvSecretKey+"\" and \""+EnvAccessKey+"\" are deprecated",

	variablesMap.Append("unused", func(_ *MapValue) ref.Val {
		t.Fatalf("unused variable must not be evaluated")
		return nil
	})

	exp = "variables.dict.a + ' ' + variables.dict.a + ' ' + variables.foo"
	v, err = compileAndRun(env, activation, exp)
	if err != nil {
		t.Fatalf("%q: %v", exp, err)
	}
	if v.Value().(string) != "a a foo-string" {

// Package expvar provides a standardized interface to public variables, such
// as operation counters in servers. It exposes these variables via HTTP at
// /debug/vars in JSON format. As of Go 1.22, the /debug/vars request must
// use GET.
//
// Operations to set or modify these public variables are atomic.
//
// In addition to adding the HTTP handler, this package registers the
// following variables:
//
//	cmdline   os.Args

			// If lhs exists, declare a corresponding variable in the case-local scope.
			if lhs != nil {
				// spec: "The TypeSwitchGuard may include a short variable declaration.
				// When that form is used, the variable is declared at the beginning of
				// the implicit block in each clause. In clauses with a case listing
				// exactly one type, the variable has that type; otherwise, the variable

import java.util.HashMap;
import java.util.Map;

public class FileReferenceFactory {
    private final Map<String, File> variables = new HashMap<>();

    /**
     * Adds a path variable
     */
    public void addPathVariable(String name, File dir) {
        variables.put(name, dir);
    }

    /**
     * Creates a reference to the given file. Returns null for a null file.
     */

// contains maps keyed by the node number of the SavedObjectGraph, and map to an
// object of the corresponding type. So, if node 2 in the object graph is a
// variable, PartiallyRevivedObjects.variables[2] exists, and corresponds to a
// tensorflow::Variable object. The only exception to this is the
// "signatures_map", which is keyed by the "signature" key