class_docstr: Client of an MLflow Tracking Server that enabled the default basic authentication plugin.
  It is recommended to use :py:func:`mlflow.server.get_app_client()` to instantiate this class.
  See https://mlflow.org/docs/latest/auth.html for more information.
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docstr: Delete an existing experiment permission for a user.
  
  :param experiment_id: The id of the experiment.
  :param username: The username.
  
  :return: None. Raises ``RestException`` if the user does not exist,
           or no permission exists for this experiment user pair,
           or if the permission is invalid.
           Note that the default permission will still be effective even
           after the permission has been deleted.
  
  .. code-block:: bash
      :caption: Example
  
      export MLFLOW_TRACKING_USERNAME=admin
      export MLFLOW_TRACKING_PASSWORD=password
  
  .. code-block:: python
  
      from mlflow.server.auth.client import AuthServiceClient
  
      client = AuthServiceClient("tracking_uri")
      client.create_user("newuser", "newpassword")
      client.create_experiment_permission("myexperiment", "newuser", "READ")
      client.delete_experiment_permission("myexperiment", "newuser")
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code: def delete_experiment_permission(
      self, experiment_id: str, username: str
  ):
      """
      Delete an existing experiment permission for a user.
  
      :param experiment_id: The id of the experiment.
      :param username: The username.
  
      :return: None. Raises ``RestException`` if the user does not exist,
               or no permission exists for this experiment user pair,
               or if the permission is invalid.
               Note that the default permission will still be effective even
               after the permission has been deleted.
  
      .. code-block:: bash
          :caption: Example
  
          export MLFLOW_TRACKING_USERNAME=admin
          export MLFLOW_TRACKING_PASSWORD=password
  
      .. code-block:: python
  
          from mlflow.server.auth.client import AuthServiceClient
  
          client = AuthServiceClient("tracking_uri")
          client.create_user("newuser", "newpassword")
          client.create_experiment_permission("myexperiment", "newuser", "READ")
          client.delete_experiment_permission("myexperiment", "newuser")
      """
      self._request(
          DELETE_EXPERIMENT_PERMISSION,
          "DELETE",
          json={"experiment_id": experiment_id, "username": username},
      )
  
imports: from mlflow.server.auth.entities import ExperimentPermission, RegisteredModelPermission, User
  from mlflow.server.auth.routes import CREATE_EXPERIMENT_PERMISSION, CREATE_REGISTERED_MODEL_PERMISSION, CREATE_USER, DELETE_EXPERIMENT_PERMISSION, DELETE_REGISTERED_MODEL_PERMISSION, DELETE_USER, GET_EXPERIMENT_PERMISSION, GET_REGISTERED_MODEL_PERMISSION, GET_USER, UPDATE_EXPERIMENT_PERMISSION, UPDATE_REGISTERED_MODEL_PERMISSION, UPDATE_USER_ADMIN, UPDATE_USER_PASSWORD
  from mlflow.tracking._tracking_service.utils import _get_default_host_creds
  from mlflow.utils.rest_utils import http_request_safe
label_desc: Use image node_id 11 for calling the AuthServiceClient obj's underlying member method code with example usage: obj.delete_experiment_permission(experiment_id, username) without return types