addSetupRule(BinaryCompatibilityRepositorySetupRule, [
                        (BinaryCompatibilityRepositorySetupRule.Params.sourceRoots): sourceRoots.collect { it.absolutePath } as Set,
                        (BinaryCompatibilityRepositorySetupRule.Params.sourceCompilationClasspath): newClasspath.collect { it.absolutePath } as Set
                    ])

                        version = "2.0"
                    }
                """
            )
            withDirectory("v1/src/main").v1()
            withDirectory("v2/src/main").v2()
            val sourceRoots = if (File(withDirectory("v2/src/main"), "java").exists()) {
                "v2/src/main/java"
            } else {
                "v2/src/main/kotlin"
            }