+
+${extract json{IDs}{ \{"IDs": \{"1":116, "2":943, "3":234\}\} }}
+expect: {"1":116, "2":943, "3":234}
+
+${extract json{IDs}{ \{"id": \{"a":101, "b":102\}, "IDs": \{"1":116, "2":943, "3":234\}\} }}
+expect: {"1":116, "2":943, "3":234}
+
+<${extract json{nonexistent}{ \{"id": \{"a":101, "b":102\}, "IDs": \{"1":116, "2":943, "3":234\}\} }}>
+expect: <>
+<${extract jsons{nonexistent}{ \{"id": \{"a":101, "b":102\}, "IDs": \{"1":116, "2":943, "3":234\}\} }}>
+expect: <>
+
+${if forany_json {[1, 2, 3]}{={$item}{1}}{yes}{no}}
+${if forany_jsons{["A", "B", "C"]}{eq{$item}{B}}{yes}{no}}
+