def METHOD_NAME(self):
    obs_names = self.parent.obs_annotation_names()
    for name in obs_names:
        self.client.get(
            f"{self.dataset}/{API_SUFFIX}/annotations/obs?annotation-name={name}",
            headers={"Accept": "application/octet-stream"},
            stream=True,
        )
    layouts = self.parent.layout_names()
    for name in layouts:
        self.client.get(
            f"{self.dataset}/{API_SUFFIX}/annotations/obs?layout-name={name}",
            headers={"Accept": "application/octet-stream"},
            stream=True,
        )