1 files changed, 15 insertions, 1 deletions
diff --git a/src/main/java/com/android/volley/Cache.java b/src/main/java/com/android/volley/Cache.java
index 8482c22..fd7eea1 100644
--- a/src/main/java/com/android/volley/Cache.java
+++ b/src/main/java/com/android/volley/Cache.java
@@ -17,6 +17,7 @@
 package com.android.volley;
 
 import java.util.Collections;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -83,9 +84,22 @@ public interface Cache {
         /** Soft TTL for this record. */
         public long softTtl;
 
-        /** Immutable response headers as received from server; must be non-null. */
+        /**
+         * Response headers as received from server; must be non-null. Should not be mutated
+         * directly.
+         *
+         * <p>Note that if the server returns two headers with the same (case-insensitive) name,
+         * this map will only contain the one of them. {@link #allResponseHeaders} may contain all
+         * headers if the {@link Cache} implementation supports it.
+         */
         public Map<String, String> responseHeaders = Collections.emptyMap();
 
+        /**
+         * All response headers. May be null depending on the {@link Cache} implementation. Should
+         * not be mutated directly.
+         */
+        public List<Header> allResponseHeaders;
+
         /** True if the entry is expired. */
         public boolean isExpired() {
             return this.ttl < System.currentTimeMillis();