public Builder setBackupCollection(String backupCollection) {
      this.backupCollection = backupCollection;
      return this;
    }
Builder for
projects/{project}/locations/{location}/backupCollections/{backup_collection}/backups/{backup}.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/BackupName.java