B2 (final java.lang.Object rawTypeKey, final java.lang.Object rawTypeValue) { if (this.rawTypes$key == null) { this.rawTypes$key = new java.util.ArrayList<java.lang.Object>(); this.rawTypes$value = new java.util.ArrayList<java.lang.Object>(); } this.rawTypes$key.add(rawTypeKey); this.rawTypes$value.add(rawTypeValue); return self(); }