old_contents: """Session management utilities for Google Cloud Platform (GCP)."""
  from typing import Optional, Any
  
  try:
      import google.auth
      from google.auth.transport import requests as google_requests
  except ImportError:
      raise ImportError(
          'The `dicomweb-client` package needs to be installed with the '
          '"gcp" extra requirements to use this module, as follows: '
          '`pip install dicomweb-client[gcp]`')
  import requests
  
  
  def create_session_from_gcp_credentials(
          google_credentials: Optional[Any] = None
      ) -> requests.Session:
      """Creates an authorized session for Google Cloud Platform.
  
      Parameters
      ----------
      google_credentials: Any
          Google Cloud credentials.
          (see https://cloud.google.com/docs/authentication/production
          for more information on Google Cloud authentication).
          If not set, will be initialized to ``google.auth.default()``.
  
      Returns
      -------
      requests.Session
          Google Cloud authorized session.
      """
      if google_credentials is None:
          google_credentials, _ = google.auth.default(
              scopes=['https://www.googleapis.com/auth/cloud-platform']
          )
      return google_requests.AuthorizedSession(google_credentials)
  
new_contents: """Session management utilities for Google Cloud Platform (GCP)."""
  from typing import Optional, Any
  
  try:
      import google.auth
      from google.auth.transport import requests as google_requests
  except ImportError:
      raise ImportError(
          'The `dicomweb-client` package needs to be installed with the '
          '"gcp" extra requirements to use this module, as follows: '
          '`pip install dicomweb-client[gcp]`')
  import requests
  
  
  def create_session_from_gcp_credentials(
          google_credentials: Optional[Any] = None
      ) -> requests.Session:
      """Creates an authorized session for Google Cloud Platform.
  
      Parameters
      ----------
      google_credentials: Any
          Google Cloud credentials.
          (see https://cloud.google.com/docs/authentication/production
          for more information on Google Cloud authentication).
          If not set, will be initialized to ``google.auth.default()``.
  
      Returns
      -------
      requests.Session
          Google Cloud authorized session.
  
      Note
      ----
      Credentials will be read from environment variable
      ``GOOGLE_APPLICATION_CREDENTIALS`` if set.
  
      """
      if google_credentials is None:
          google_credentials, _ = google.auth.default(
              scopes=['https://www.googleapis.com/auth/cloud-platform']
          )
      return google_requests.AuthorizedSession(google_credentials)
  
subject: Add note to gcp session utils method