* in which case the original name will be used.
     *
     * @param renamer rename function
     * @return this
     */
    CopyProcessingSpec rename(Transformer<@org.jetbrains.annotations.Nullable String, String> renamer);

    /**
     * Renames files based on a regular expression.  Uses java.util.regex type of regular expressions.  Note that the

    }

    @Override
    public CopySpec rename(Closure closure) {
        return getDelegateCopySpec().rename(closure);
    }

    @Override
    public CopySpec rename(Transformer<String, String> renamer) {
        return getDelegateCopySpec().rename(renamer);
    }

    @Override
    public CopySpec rename(String sourceRegEx, String replaceWith) {

    }

    @Override
    public CopySpec rename(final Closure closure) {
        delegate.rename(new ClosureBackedTransformer(closure));
        return this;
    }

    @Override
    public CopySpec rename(Transformer<String, String> renamer) {
        delegate.rename(renamer);
        return this;
    }

    @Override
    public CopySpec rename(String sourceRegEx, String replaceWith) {

    /**
     * {@inheritDoc}
     */
    @Override
    public AbstractCopyTask rename(Closure closure) {
        return rename(new ClosureBackedTransformer(closure));
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public AbstractCopyTask rename(Transformer<String, String> renamer) {
        getMainSpec().rename(renamer);
        return this;
    }

    /**
     * {@inheritDoc}
     */

        return this;
    }

    @Override
    public CopySpec rename(Closure closure) {
        return rename(new ClosureBackedTransformer(closure));
    }

    @Override
    public CopySpec rename(Transformer<String, String> renamer) {
        appendCopyAction(new RenamingCopyAction(renamer));
        return this;
    }

    @Override
    @Deprecated

    /**
     * {@inheritDoc}
     */
    @Override
    CopySpec rename(Closure closure);

    /**
     * {@inheritDoc}
     */
    @Override
    CopySpec rename(Transformer<@org.jetbrains.annotations.Nullable String, String> renamer);

    /**
     * {@inheritDoc}
     */
    @Override
    CopySpec rename(String sourceRegEx, String replaceWith);

    /**
     * {@inheritDoc}

            f.createNewFile();
            boolean renamed = false;
            try {
                f.renameTo(f2);
                try {
                    assertTrue(f2.exists());
                    renamed = true;
                }
                finally {
                    f2.delete();
                }
            }
            finally {
                if ( !renamed && f.exists() ) {
                    f.delete();

// errorcheck

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify that renamed identifiers no longer have their old meaning.
// Does not compile.

package main

func main() {
	var n byte         // ERROR "not a type|expected type"
	var y = float32(0) // ERROR "cannot call|expected function"
	const (

// makeRenameMap returns a renameMap populates from renames entries of the form "from->to".
func makeRenameMap(renames ...string) renameMap {
	m := make(renameMap)
	for _, r := range renames {
		s := strings.Split(r, "->")
		if len(s) != 2 {
			panic("invalid rename entry: " + r)
		}
		m[s[0]] = s[1]
	}
	return m
}

// rename renames the given string s if a corresponding rename exists in m.

        then:
        file('dest').assertHasDescendants(
            'root.renamed',
            'root.b',
            'accents.c',
            'one/renamed_one.renamed',
            'one/renamed_one.b',
            'one/sub/onesub.renamed',
            'one/sub/onesub.b',
            'two/two.renamed',
            'two/two.b' //do not rename with 'rename { null }'
        )
    }