public Builder mergeFrom(org.apache.omid.proto.TSOProto.HandshakeRequest other) { if (other == org.apache.omid.proto.TSOProto.HandshakeRequest.getDefaultInstance()) return this; if (other.hasClientCapabilities()) { mergeClientCapabilities(other.getClientCapabilities()); } this.mergeUnknownFields(other.getUnknownFields()); return this; }