private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.memorystore.v1beta.PscConnection,
              com.google.cloud.memorystore.v1beta.PscConnection.Builder,
              com.google.cloud.memorystore.v1beta.PscConnectionOrBuilder>
          getPscConnectionFieldBuilder() {
        if (pscConnectionBuilder_ == null) {
          if (!(connectionCase_ == 2)) {
            connection_ = com.google.cloud.memorystore.v1beta.PscConnection.getDefaultInstance();
          }
          pscConnectionBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.memorystore.v1beta.PscConnection,
                  com.google.cloud.memorystore.v1beta.PscConnection.Builder,
                  com.google.cloud.memorystore.v1beta.PscConnectionOrBuilder>(
                  (com.google.cloud.memorystore.v1beta.PscConnection) connection_,
                  getParentForChildren(),
                  isClean());
          connection_ = null;
        }
        connectionCase_ = 2;
        onChanged();
        return pscConnectionBuilder_;
      }
<pre>
Detailed information of a PSC connection that is created by the user.
</pre>

<code>.google.cloud.memorystore.v1beta.PscConnection psc_connection = 2;</code>
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java