import org.gradle.internal.typeconversion.TypeConversionException;

import java.io.File;
import java.util.concurrent.Callable;

import static org.gradle.internal.UncheckedException.uncheckedCall;

public class PathNotationConverter implements NotationConverter<Object, String> {

    @Override
    public void describe(DiagnosticsVisitor visitor) {
        visitor.candidate("String or CharSequence instances").example("\"some/path\"");

import org.gradle.api.internal.artifacts.DefaultExcludeRule
import spock.lang.Specification

class PathNotationConverterTest extends Specification {
    NotationParser<Object, String> pathNotationParser = PathNotationConverter.parser();

    def "with null"() {
        expect:
        null == pathNotationParser.parseNotation(null);
    }

    def "with CharSequence"() {
        expect:

import java.util.function.Function;
import java.util.regex.Pattern;

@NonExtensible
public class DefaultCopySpec implements CopySpecInternal {
    private static final NotationParser<Object, String> PATH_NOTATION_PARSER = PathNotationConverter.parser();
    protected final Factory<PatternSet> patternSetFactory;
    protected final FileCollectionFactory fileCollectionFactory;
    protected final Instantiator instantiator;