const androidPackageId = 'your Android package ID';
const appStoreIssuerId = 'App Store Key issuer ID';
const appStoreKeyId = 'App Store Key ID';
const appStoreSharedSecret = 'App Store shared secret';
const bundleId = 'your iOS bundle ID';
const googleCloudProjectId = 'Google Cloud project ID';
const googlePlayPubsubBillingTopic = 'play_billing';
