// Extracted from: Spotify 1.2.52.442 (windows) syntax = "proto2"; package spotify.player.proto; option optimize_for = CODE_SIZE; message PlayOrigin { optional string feature_identifier = 1; optional string feature_version = 2; optional string view_uri = 3; optional string external_referrer = 4; optional string referrer_identifier = 5; optional string device_identifier = 6; repeated string feature_classes = 7; optional string restriction_identifier = 8; }