Instantiate client.

def instantiate_client(_unused_client, _unused_to_delete):
    """Instantiate client."""

    # [START client_create_default]
    from google.cloud import logging

    client = logging.Client()
    # [END client_create_default]

    credentials = object()
    # [START client_create_explicit]
    from google.cloud import logging

    client = logging.Client(project="my-project", credentials=credentials)