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-rw-r--r--Sources/source_protocol.swift2
1 files changed, 2 insertions, 0 deletions
diff --git a/Sources/source_protocol.swift b/Sources/source_protocol.swift
index ee9350c..0885994 100644
--- a/Sources/source_protocol.swift
+++ b/Sources/source_protocol.swift
@@ -1,3 +1,5 @@
+// All sources should comply with this protocol. The currentTrack computed
+// property will return a track if the conditions are met
protocol Source {
var currentTrack: Track? { get }
}