docs: def format_auth_params(params):
          """Generate the format expected by HTTP Headers from parameters.
  
          Args:
            params (dict): {key: value} to convert to key=value
  
          Returns:
            A formatted header string.
          """
          parts = []
          for (key, value) in params.items():
              if value:
                  parts.append('{}="{}"'.format(key, value))
          return ", ".join(parts)