public Builder addPscAutoConnections(
        int index, com.google.cloud.memorystore.v1beta.PscAutoConnection value) {
      if (pscAutoConnectionsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensurePscAutoConnectionsIsMutable();
        pscAutoConnections_.add(index, value);
        onChanged();
      } else {
        pscAutoConnectionsBuilder_.addMessage(index, value);
      }
      return this;
    }
<pre>
Required. Immutable. User inputs and resource details of the auto-created
PSC connections.
</pre>

<code>
repeated .google.cloud.memorystore.v1beta.PscAutoConnection psc_auto_connections = 20 [(.google.api.field_behavior) = REQUIRED, (.google.api.field_behavior) = IMMUTABLE];
</code>
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java