public Builder clearPort() {
      if (portsCase_ == 9) {
        portsCase_ = 0;
        ports_ = null;
        onChanged();
      }
      return this;
    }
<pre>
Optional. Output only. port will only be set for Primary/Reader or
Discovery endpoint.
</pre>

<code>
int32 port = 9 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
</code>

@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/PscAutoConnection.java