isPartOfBridgedRing(ringId) {
    for (var i = 0; i < this.ringConnections.length; i++) {
      if (this.ringConnections[i].containsRing(ringId) && this.ringConnections[i].isBridge(this.graph.vertices)) {
        return true;
      }
    }

    return false;
  }
Checks whether or not a ring is part of a bridged ring.

@param {Number} ringId A ring id.
@returns {Boolean} A boolean indicating whether or not the supplied ring (by id) is part of a bridged ring system.