*
 * @param <OUT> The type the value is transformed to.
 * @param <IN> The type of the value to be transformed.
 */
public interface Transformer<OUT extends @org.jetbrains.annotations.Nullable Object, IN> {
    /**
     * Transforms the given object, and returns the transformed value.
     *
     * @param in The object to transform.
     * @return The transformed object.
     */
    OUT transform(IN in);

     * Adds an action to be executed when properties are transformed.
     * @param action the action to add
     */
    public void addAction(Action<? super Properties> action) {
        actions.add(action);
    }

    /**
     * Transforms a properties object.  This will modify the
     * original.
     * @param original the properties to transform
     * @return the transformed properties
     */
    @Override

            if (!JarUtil.isMultiReleaseJarManifest(parsedManifest)) {
                // If the original JAR is not multi-release, we don't need the manifest in the transformed JAR at all.
                return;
            }
            isMultiReleaseJar = true;

            // We want the transformed JAR to also be a proper multi-release JAR.
            // To do so it must have the "Multi-Release: true" attribute.

        def outputJar = testDir.file("transformed.jar")
        return new JarTestFixture(transform(factory, originalJar, outputJar), 'UTF-8', null, /* checkManifest */ false)
    }

    private TestFile transformDirectory(TransformFactoryType factory, File originalDir) {
        def outputDir = testDir.file("transformed")
        return new TestFile(transform(factory, originalDir, outputDir))
    }

        String destFileName = source.getName();
        File receipt = new File(destDir, destFileName + ".receipt");
        File transformed = new File(destDir, destFileName);

        // Avoid file locking overhead by checking for the receipt first.
        if (receipt.isFile()) {
            return transformed;
        }

        final File lockFile = new File(destDir, destFileName + ".lock");

			expectedVerb: "LIST",
		},
		{
			desc:        "LIST should be transformed to WATCH if we have the right query param on the request",
			initialVerb: "LIST",
			request: &http.Request{
				Method: "GET",
				URL: &url.URL{
					RawQuery: "watch=true",
				},
			},
			expectedVerb: "WATCH",
		},
		{
			desc:        "LIST isn't transformed to WATCH if we have query params that do not include watch",
			initialVerb: "LIST",

        }
        Object[] transformed = new Object[args.length];
        for (int i = 0; i < args.length; i++) {
            Object arg = args[i];
            Class<?> type = types[i].getTheClass();
            if (type.isEnum() && arg instanceof CharSequence) {
                transformed[i] = toEnumValue(Cast.uncheckedNonnullCast(type), arg);
            } else {
                transformed[i] = args[i];
            }
        }

// expected-error @+1 {{recursive call graph cannot be transformed}}
module {
  func.func private @f() {
    func.call @f() : () -> ()
    func.call @f() : () -> ()
    func.return
  }
}

// -----
// Handle error case of infinite recursion with mutually recursive ops.
// expected-error @+1 {{recursive call graph cannot be transformed}}
module {
  func.func private @f() {
    func.call @g() : () -> ()

	//
	// A nil error means that all of the transformed bytes (whether freshly
	// transformed from src or left over from previous Transform calls)
	// were written to dst. A nil error can be returned regardless of
	// whether atEOF is true. If err is nil then nSrc must equal len(src);
	// the converse is not necessarily true.
	//
	// ErrShortDst means that dst was too short to receive all of the

- `outputRoute` – A routing token that is added to the response headers when the Lambda function returns the transformed object. This is used by MinIO to further verify the incoming response validity.

- `outputToken` – A token added to the response headers when the Lambda function returns the transformed object. This is used by MinIO to verify the incoming response validity.

Lets start the lamdba handler.

```