1 files changed, 15 insertions, 1 deletions
diff --git a/crates/shirabe/src/io/null_io.rs b/crates/shirabe/src/io/null_io.rs
index 4218398..af0296d 100644
--- a/crates/shirabe/src/io/null_io.rs
+++ b/crates/shirabe/src/io/null_io.rs
@@ -6,7 +6,7 @@ use shirabe_php_shim::PhpMixed;
 
 #[derive(Debug)]
 pub struct NullIO {
-    inner: BaseIO,
+    authentications: index::IndexMap<String, indexmap::IndexMap<String, Option<String>>>,
 }
 
 impl IOInterface for NullIO {
@@ -79,3 +79,17 @@ impl IOInterface for NullIO {
         default
     }
 }
+
+impl BaseIO for NullIO {
+    fn authentications(
+        &self,
+    ) -> &indexmap::IndexMap<String, indexmap::IndexMap<String, Option<String>>> {
+        &self.authentications
+    }
+
+    fn authentications_mut(
+        &mut self,
+    ) -> &mut indexmap::IndexMap<String, indexmap::IndexMap<String, Option<String>>> {
+        &mut self.authentications
+    }
+}