public Builder mergePscAutoConnection(
          com.google.cloud.memorystore.v1beta.PscAutoConnection value) {
        if (pscAutoConnectionBuilder_ == null) {
          if (connectionCase_ == 1
              && connection_
                  != com.google.cloud.memorystore.v1beta.PscAutoConnection.getDefaultInstance()) {
            connection_ =
                com.google.cloud.memorystore.v1beta.PscAutoConnection.newBuilder(
                        (com.google.cloud.memorystore.v1beta.PscAutoConnection) connection_)
                    .mergeFrom(value)
                    .buildPartial();
          } else {
            connection_ = value;
          }
          onChanged();
        } else {
          if (connectionCase_ == 1) {
            pscAutoConnectionBuilder_.mergeFrom(value);
          } else {
            pscAutoConnectionBuilder_.setMessage(value);
          }
        }
        connectionCase_ = 1;
        return this;
      }
<pre>
Detailed information of a PSC connection that is created through
service connectivity automation.
</pre>

<code>.google.cloud.memorystore.v1beta.PscAutoConnection psc_auto_connection = 1;</code>
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java