@@ 27,6 27,13 @@ class hascachepolicy(query):
             {}
         )
 
+    @staticmethod
+    def __sig__():
+        return {
+            'return': 'query'
+        }
+
+
 class cachepolicy(query):
     __slots__ = ('query',)
 

          
@@ 55,6 62,13 @@ class cachepolicy(query):
             {vid: f'%%{self.query}%%'}
         )
 
+    @staticmethod
+    def __sig__():
+        return {
+            'query': 'str',
+            'return': 'query'
+        }
+
 
 _OPMAP['by.cache'] = 'hascachepolicy'
 _OPMAP['by.cachepolicy'] = 'cachepolicy'