return rootDir.withUniqueDirectory("input-build").apply {
            withFile(
                "gradle/libs.versions.toml",
                """
                    [libraries]
                    kotlinCompilerEmbeddable = { group = "org.jetbrains.kotlin", name = "kotlin-compiler-embeddable", version = "$embeddedKotlinVersion" }
                """
            )
            withSettings("""include("v1", "v2", "binary-compatibility")""")