return sequenceOf(directory)
    }

    private
    fun someClassesInDefaultPackage(): Sequence<Path> {
        val directory = projectDir.resolve("classes-default")

        DEFAULT_EXCLUDES_FOR_TEST.forEachIndexed { i, pkg ->
            touchFile(directory.resolve("$pkg/Foo$i.class"))
        }

        return sequenceOf(directory)
    }

    private

    }

    private
    fun groovyProjectAccessors(): String {
        val objectMethods = Any::class.java.declaredMethods.toList()
        return Project::class
            .memberFunctions
            .asSequence()
            .mapNotNull { it.javaMethod }
            .filterNot { objectMethods.contains(it) }
            .map { it.toGroovyScriptString() }
            .sorted()
            .joinToString(separator = "\n")

            }
        }
    }

    /**
     * @return the source file and it's source root
     */
    fun sourceFileAndSourceRootFor(sourceFilePath: String): Pair<File, File> =
        sourceRoots.asSequence()
            .map { it.resolve(sourceFilePath) to it }
            .firstOrNull { it.first.isFile }