private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.memorystore.v1.Instance.ConnectionDetail,
              com.google.cloud.memorystore.v1.Instance.ConnectionDetail.Builder,
              com.google.cloud.memorystore.v1.Instance.ConnectionDetailOrBuilder>
          getConnectionsFieldBuilder() {
        if (connectionsBuilder_ == null) {
          connectionsBuilder_ =
              new com.google.protobuf.RepeatedFieldBuilderV3<
                  com.google.cloud.memorystore.v1.Instance.ConnectionDetail,
                  com.google.cloud.memorystore.v1.Instance.ConnectionDetail.Builder,
                  com.google.cloud.memorystore.v1.Instance.ConnectionDetailOrBuilder>(
                  connections_,
                  ((bitField0_ & 0x00000001) != 0),
                  getParentForChildren(),
                  isClean());
          connections_ = null;
        }
        return connectionsBuilder_;
      }
<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