public Builder mergePscConnection(com.google.cloud.memorystore.v1.PscConnection value) {
        if (pscConnectionBuilder_ == null) {
          if (connectionCase_ == 2
              && connection_
                  != com.google.cloud.memorystore.v1.PscConnection.getDefaultInstance()) {
            connection_ =
                com.google.cloud.memorystore.v1.PscConnection.newBuilder(
                        (com.google.cloud.memorystore.v1.PscConnection) connection_)
                    .mergeFrom(value)
                    .buildPartial();
          } else {
            connection_ = value;
          }
          onChanged();
        } else {
          if (connectionCase_ == 2) {
            pscConnectionBuilder_.mergeFrom(value);
          } else {
            pscConnectionBuilder_.setMessage(value);
          }
        }
        connectionCase_ = 2;
        return this;
      }
<pre>
Detailed information of a PSC connection that is created by the user.
</pre>

<code>.google.cloud.memorystore.v1.PscConnection psc_connection = 2;</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/Instance.java