From a11f7b8cdd01ba038b8b30c05acfbecba0214f2a Mon Sep 17 00:00:00 2001
From: aquilescanta <aquilescanta@google.com>
Date: Tue, 9 Jun 2020 15:31:06 +0100
Subject: [PATCH] Document DataSource.getResponseHeaders case-insensitivity

PiperOrigin-RevId: 315480048
---
 .../java/com/google/android/exoplayer2/upstream/DataSource.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/library/common/src/main/java/com/google/android/exoplayer2/upstream/DataSource.java b/library/common/src/main/java/com/google/android/exoplayer2/upstream/DataSource.java
index 9a321fbdd8..bbc182d7af 100644
--- a/library/common/src/main/java/com/google/android/exoplayer2/upstream/DataSource.java
+++ b/library/common/src/main/java/com/google/android/exoplayer2/upstream/DataSource.java
@@ -74,6 +74,8 @@ public interface DataSource extends DataReader {
   /**
    * When the source is open, returns the response headers associated with the last {@link #open}
    * call. Otherwise, returns an empty map.
+   *
+   * <p>Key look-up in the returned map is case-insensitive.
    */
   default Map<String, List<String>> getResponseHeaders() {
     return Collections.emptyMap();