feat: intent task

common/src/main/java/com/stardust/util/BiMap.java

@@ -0,0 +1,11 @@
+package com.stardust.util;
+
+import java.util.Map;
+import java.util.Set;
+
+public interface BiMap<K, V> extends Map<K, V> {
+
+    K getKey(V value);
+
+    Set<V> valueSet();
+}