https://docs.cloud.google.com/python/docs/reference/cloudchannel/latest/google.cloud.channel_v1.types.PricePhase
Class PricePhase (1.27.0) | Python client libraries | Google Cloud Documentation
python clientgoogle cloudclass
https://docs.cloud.google.com/java/docs/reference/google-cloud-channel/latest/com.google.cloud.channel.v1.PricePhase.Builder
Class PricePhase.Builder (3.95.0) | Java client libraries | Google Cloud Documentation