public Builder addAllConnections(
          java.lang.Iterable<
                  ? extends com.google.cloud.memorystore.v1beta.Instance.ConnectionDetail>
              values) {
        if (connectionsBuilder_ == null) {
          ensureConnectionsIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, connections_);
          onChanged();
        } else {
          connectionsBuilder_.addAllMessages(values);
        }
        return this;
      }
<pre>
Optional. A group of PSC connections. They are created in the same VPC
network, one for each service attachment in the cluster.
</pre>

<code>
repeated .google.cloud.memorystore.v1beta.Instance.ConnectionDetail connections = 1 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java