1syntax = "proto3"; 2 3package privacy.ppn; 4 5option java_multiple_files = true; 6 7// Indicates which proxy layer a set of tokens will be used with. 8enum ProxyLayer { 9 PROXY_LAYER_UNSPECIFIED = 0; 10 PROXY_A = 1; 11 PROXY_B = 2; 12} 13