public Builder removeConnections(int index) {
        if (connectionsBuilder_ == null) {
          ensureConnectionsIsMutable();
          connections_.remove(index);
          onChanged();
        } else {
          connectionsBuilder_.remove(index);
        }
        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.v1.Instance.ConnectionDetail connections = 1 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/Instance.java