}

    public JavaCompilerArgumentsBuilder includeClasspath(boolean flag) {
        includeClasspath = flag;
        return this;
    }

    public JavaCompilerArgumentsBuilder includeSourceFiles(boolean flag) {
        includeSourceFiles = flag;
        return this;
    }

    public JavaCompilerArgumentsBuilder noEmptySourcePath() {
        allowEmptySourcePath = false;
        return this;
    }

    /**

        List<String> remainingArgs = new JavaCompilerArgumentsBuilder(spec).includeSourceFiles(true).build();
        return Iterables.concat(launcherOptions, shortenArgs(spec.getTempDir(), remainingArgs));
    }

    private Iterable<String> shortenArgs(File tempDir, List<String> args) {

        if (!LOGGER.isDebugEnabled()) {
            return;
        }

        List<String> compilerArgs = new JavaCompilerArgumentsBuilder(spec).includeLauncherOptions(true).includeSourceFiles(true).build();
        String joinedArgs = compilerArgs.stream().map(it -> StringUtils.isBlank(it) ? ('"' + it + '"') : it).collect(Collectors.joining(" "));
        LOGGER.debug("Compiler arguments: {}", joinedArgs);
    }

        def file2 = new File("Computer.java")
        spec.sourceFiles = [file1, file2]

        when:
        builder.includeSourceFiles(true)

        then:
        builder.build() == defaultOptions + [file1.path, file2.path]

        when:
        builder.includeSourceFiles(false)

        then:
        builder.build() == defaultOptions
    }

        if (!LOGGER.isDebugEnabled()) {
            return;
        }

        List<String> compilerArgs = new JavaCompilerArgumentsBuilder(spec).includeLauncherOptions(true).includeSourceFiles(true).build();
        String joinedArgs = Joiner.on(' ').join(compilerArgs);
        LOGGER.debug("Java compiler arguments: {}", joinedArgs);
    }

        if (!LOGGER.isDebugEnabled()) {
            return;
        }

        List<String> compilerArgs = new JavaCompilerArgumentsBuilder(spec).includeLauncherOptions(true).includeSourceFiles(true).build();
        String joinedArgs = Joiner.on(' ').join(compilerArgs);
        LOGGER.debug("Java compiler arguments: {}", joinedArgs);
    }