public Builder mergeFrom(com.google.cloud.tpu.v2alpha1.CustomerEncryptionKey other) {
      if (other == com.google.cloud.tpu.v2alpha1.CustomerEncryptionKey.getDefaultInstance())
        return this;
      switch (other.getKeyCase()) {
        case KMS_KEY_NAME:
          {
            keyCase_ = 7;
            key_ = other.key_;
            onChanged();
            break;
          }
        case KEY_NOT_SET:
          {
            break;
          }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Customer's encryption key.
</pre>

Protobuf type {@code google.cloud.tpu.v2alpha1.CustomerEncryptionKey}
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/CustomerEncryptionKey.java