public Builder mergeFrom(org.drools.marshalling.impl.ProtobufMessages.ActionQueue.LogicalRetract other) { if (other == org.drools.marshalling.impl.ProtobufMessages.ActionQueue.LogicalRetract.getDefaultInstance()) return this; if (other.hasHandleId()) { setHandleId(other.getHandleId()); } if (other.hasActivation()) { mergeActivation(other.getActivation()); } this.mergeUnknownFields(other.getUnknownFields()); return this; }