def METHOD_NAME(self):
    manifest_str = (
        "[manifest]\n"
        "name = libsai\n"
        "\n"
        "[download]\n"
        "url = https://github.com/opencomputeproject/SAI/archive/v1.12.0.tar.gz\n"
        "sha256 = 1e7f43599baf1dcca122bbbb2baaeb9b20e5632d2ca6aaa61a568d1d58afaa97\n"
        "\n"
        "[build]\n"
        "builder = nop\n"
        "subdir = SAI-1.12.0\n"
        "\n"
        "[install.files]\n"
        "inc = include\n"
    )
    with open(self._libsai_manifest_path, "w+") as f:
        f.writelines(manifest_str)