code: def __init__(
      self,
      db: Database,
      product_versions_dict: Dict[str, ProductVersionInfo],
      billing_client: aiogoogle.GoogleBillingClient,
      regions: List[str],
  ):
      self.db = db
      self.resource_rates: Dict[str, float] = {}
      self.product_versions = ProductVersions(product_versions_dict)
      self.billing_client = billing_client
      self.regions = regions
      self.currency_code = "USD"
  
file_path: hail/batch/batch/cloud/gcp/driver/billing_manager.py
imports: import logging
  from typing import Dict, List
  from gear import Database
  from hailtop.aiocloud import aiogoogle
  from ....driver.billing_manager import CloudBillingManager, ProductVersionInfo, ProductVersions, refresh_product_versions_from_db
  from .pricing import fetch_prices
label_desc: Use image node_id 1 to create a new GCPBillingManager object from inherited base classes: CloudBillingManager with example: obj = GCPBillingManager(db, product_versions_dict, billing_client, regions)