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-rw-r--r--resources/resource/resourcetypes.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/resources/resource/resourcetypes.go b/resources/resource/resourcetypes.go
index 7a735dca5..6b437023a 100644
--- a/resources/resource/resourcetypes.go
+++ b/resources/resource/resourcetypes.go
@@ -166,6 +166,8 @@ type ResourcesLanguageMerger interface {
// Identifier identifies a resource.
type Identifier interface {
+ // Key is is mostly for internal use and should be considered opaque.
+ // This value may change between Hugo versions.
Key() string
}