diff --git a/java/ql/lib/ext/experimental/org.apache.logging.log4j.message.model.yml b/java/ql/lib/ext/experimental/org.apache.logging.log4j.message.model.yml
new file mode 100644
index 00000000000..16b401d219d
--- /dev/null
+++ b/java/ql/lib/ext/experimental/org.apache.logging.log4j.message.model.yml
@@ -0,0 +1,9 @@
+extensions:
+  - addsTo:
+      pack: codeql/java-all
+      extensible: extExperimentalSummaryModel
+    data:
+      - ["org.apache.logging.log4j.message", "MapMessage", True, "put", "", "", "Argument[1]", "Argument[-1]", "taint", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j.message", "MapMessage", True, "putAll", "", "", "Argument[0].MapValue", "Argument[-1]", "taint", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j.message", "MapMessage", True, "with", "", "", "Argument[-1]", "ReturnValue", "value", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j.message", "MapMessage", True, "with", "", "", "Argument[1]", "Argument[-1]", "taint", "manual", "log4j-injection"]
diff --git a/java/ql/lib/ext/experimental/org.apache.logging.log4j.model.yml b/java/ql/lib/ext/experimental/org.apache.logging.log4j.model.yml
new file mode 100644
index 00000000000..3c8a2867a65
--- /dev/null
+++ b/java/ql/lib/ext/experimental/org.apache.logging.log4j.model.yml
@@ -0,0 +1,362 @@
+extensions:
+  - addsTo:
+      pack: codeql/java-all
+      extensible: extExperimentalSinkModel
+    data:
+      - ["org.apache.logging.log4j", "CloseableThreadContext", False, "put", "", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "CloseableThreadContext", False, "putAll", "", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "CloseableThreadContext$Instance", False, "put", "", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "CloseableThreadContext$Instance", False, "putAll", "", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(CharSequence)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(Message)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(Object)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object)", "", "Argument[0..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object)", "", "Argument[0..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object)", "", "Argument[0..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object,Object)", "", "Argument[0..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object,Object,Object)", "", "Argument[0..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Object[])", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(String,Supplier[])", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "LogBuilder", True, "log", "(Supplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(CharSequence)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(CharSequence,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,CharSequence)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,CharSequence,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,Message)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,MessageSupplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,MessageSupplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,Object)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,Object,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object)", "", "Argument[1..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object)", "", "Argument[1..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object)", "", "Argument[1..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object,Object)", "", "Argument[1..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object,Object,Object)", "", "Argument[1..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..11]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Object[])", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Supplier)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,String,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,Supplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Marker,Supplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Message)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Message,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(MessageSupplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(MessageSupplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Object)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Object,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object)", "", "Argument[0..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object)", "", "Argument[0..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object)", "", "Argument[0..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object,Object)", "", "Argument[0..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object,Object,Object)", "", "Argument[0..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Object[])", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Supplier)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(String,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Supplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "debug", "(Supplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "entry", "(Object[])", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(CharSequence)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(CharSequence,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,CharSequence)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,CharSequence,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,Message)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,MessageSupplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,MessageSupplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,Object)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,Object,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object)", "", "Argument[1..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object)", "", "Argument[1..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object)", "", "Argument[1..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object,Object)", "", "Argument[1..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object,Object,Object)", "", "Argument[1..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..11]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Object[])", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Supplier)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,String,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,Supplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Marker,Supplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Message)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Message,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(MessageSupplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(MessageSupplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Object)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Object,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object)", "", "Argument[0..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object)", "", "Argument[0..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object)", "", "Argument[0..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object,Object)", "", "Argument[0..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object,Object,Object)", "", "Argument[0..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Object[])", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Supplier)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(String,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Supplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "error", "(Supplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(CharSequence)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(CharSequence,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,CharSequence)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,CharSequence,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,Message)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,MessageSupplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,MessageSupplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,Object)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,Object,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object)", "", "Argument[1..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object)", "", "Argument[1..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object)", "", "Argument[1..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object,Object)", "", "Argument[1..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object,Object,Object)", "", "Argument[1..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "fatal", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..11]", "log4j", "manual", "log4j-injection"]
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+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..11]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Object[])", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Supplier)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,String,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,Supplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Marker,Supplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Message)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Message,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(MessageSupplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(MessageSupplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Object)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Object,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object)", "", "Argument[0..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object)", "", "Argument[0..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object)", "", "Argument[0..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object,Object)", "", "Argument[0..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object,Object,Object)", "", "Argument[0..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Object[])", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Supplier)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(String,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Supplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "trace", "(Supplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(CharSequence)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(CharSequence,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,CharSequence)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,CharSequence,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,Message)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,MessageSupplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,MessageSupplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,Object)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,Object,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object)", "", "Argument[1..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object)", "", "Argument[1..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object)", "", "Argument[1..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object,Object)", "", "Argument[1..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object,Object,Object)", "", "Argument[1..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[1..11]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Object[])", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Supplier)", "", "Argument[1..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,String,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,Supplier)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Marker,Supplier,Throwable)", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Message)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Message,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(MessageSupplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(MessageSupplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Object)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Object,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object)", "", "Argument[0..2]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object)", "", "Argument[0..3]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object)", "", "Argument[0..4]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object,Object)", "", "Argument[0..5]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object,Object,Object)", "", "Argument[0..6]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..7]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..8]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..9]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object)", "", "Argument[0..10]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Object[])", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Supplier)", "", "Argument[0..1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(String,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Supplier)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "Logger", True, "warn", "(Supplier,Throwable)", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "ThreadContext", False, "put", "", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "ThreadContext", False, "putAll", "", "", "Argument[0]", "log4j", "manual", "log4j-injection"]
+      - ["org.apache.logging.log4j", "ThreadContext", False, "putIfNull", "", "", "Argument[1]", "log4j", "manual", "log4j-injection"]
diff --git a/java/ql/src/experimental/Security/CWE/CWE-020/Log4jJndiInjection.ql b/java/ql/src/experimental/Security/CWE/CWE-020/Log4jJndiInjection.ql
index 7b70a2e47d9..369833a4df2 100644
--- a/java/ql/src/experimental/Security/CWE/CWE-020/Log4jJndiInjection.ql
+++ b/java/ql/src/experimental/Security/CWE/CWE-020/Log4jJndiInjection.ql
@@ -19,159 +19,8 @@ import semmle.code.java.dataflow.FlowSources
 import semmle.code.java.dataflow.ExternalFlow
 import DataFlow::PathGraph
 
-private class Log4jLoggingSinkModels extends SinkModelCsv {
-  override predicate row(string row) {
-    row =
-      [
-        // org.apache.logging.log4j.Logger
-        "org.apache.logging.log4j;Logger;true;" +
-          ["debug", "error", "fatal", "info", "trace", "warn"] +
-          [
-            ";(CharSequence);;Argument[0];log4j;manual",
-            ";(CharSequence,Throwable);;Argument[0];log4j;manual",
-            ";(Marker,CharSequence);;Argument[1];log4j;manual",
-            ";(Marker,CharSequence,Throwable);;Argument[1];log4j;manual",
-            ";(Marker,Message);;Argument[1];log4j;manual",
-            ";(Marker,MessageSupplier);;Argument[1];log4j;manual",
-            ";(Marker,MessageSupplier);;Argument[1];log4j;manual",
-            ";(Marker,MessageSupplier,Throwable);;Argument[1];log4j;manual",
-            ";(Marker,Object);;Argument[1];log4j;manual",
-            ";(Marker,Object,Throwable);;Argument[1];log4j;manual",
-            ";(Marker,String);;Argument[1];log4j;manual",
-            ";(Marker,String,Object[]);;Argument[1..2];log4j;manual",
-            ";(Marker,String,Object);;Argument[1..2];log4j;manual",
-            ";(Marker,String,Object,Object);;Argument[1..3];log4j;manual",
-            ";(Marker,String,Object,Object,Object);;Argument[1..4];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object);;Argument[1..5];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object,Object);;Argument[1..6];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object,Object,Object);;Argument[1..7];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object,Object,Object,Object);;Argument[1..8];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[1..9];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[1..10];log4j;manual",
-            ";(Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[1..11];log4j;manual",
-            ";(Marker,String,Supplier);;Argument[1..2];log4j;manual",
-            ";(Marker,String,Throwable);;Argument[1];log4j;manual",
-            ";(Marker,Supplier);;Argument[1];log4j;manual",
-            ";(Marker,Supplier,Throwable);;Argument[1];log4j;manual",
-            ";(MessageSupplier);;Argument[0];log4j;manual",
-            ";(MessageSupplier,Throwable);;Argument[0];log4j;manual",
-            ";(Message);;Argument[0];log4j;manual",
-            ";(Message,Throwable);;Argument[0];log4j;manual", ";(Object);;Argument[0];log4j;manual",
-            ";(Object,Throwable);;Argument[0];log4j;manual", ";(String);;Argument[0];log4j;manual",
-            ";(String,Object[]);;Argument[0..1];log4j;manual",
-            ";(String,Object);;Argument[0..1];log4j;manual",
-            ";(String,Object,Object);;Argument[0..2];log4j;manual",
-            ";(String,Object,Object,Object);;Argument[0..3];log4j;manual",
-            ";(String,Object,Object,Object,Object);;Argument[0..4];log4j;manual",
-            ";(String,Object,Object,Object,Object,Object);;Argument[0..5];log4j;manual",
-            ";(String,Object,Object,Object,Object,Object,Object);;Argument[0..6];log4j;manual",
-            ";(String,Object,Object,Object,Object,Object,Object,Object);;Argument[0..7];log4j;manual",
-            ";(String,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[0..8];log4j;manual",
-            ";(String,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[0..9];log4j;manual",
-            ";(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[0..10];log4j;manual",
-            ";(String,Supplier);;Argument[0..1];log4j;manual",
-            ";(String,Throwable);;Argument[0];log4j;manual",
-            ";(Supplier);;Argument[0];log4j;manual",
-            ";(Supplier,Throwable);;Argument[0];log4j;manual"
-          ],
-        "org.apache.logging.log4j;Logger;true;log" +
-          [
-            ";(Level,CharSequence);;Argument[1];log4j;manual",
-            ";(Level,CharSequence,Throwable);;Argument[1];log4j;manual",
-            ";(Level,Marker,CharSequence);;Argument[2];log4j;manual",
-            ";(Level,Marker,CharSequence,Throwable);;Argument[2];log4j;manual",
-            ";(Level,Marker,Message);;Argument[2];log4j;manual",
-            ";(Level,Marker,MessageSupplier);;Argument[2];log4j;manual",
-            ";(Level,Marker,MessageSupplier);;Argument[2];log4j;manual",
-            ";(Level,Marker,MessageSupplier,Throwable);;Argument[2];log4j;manual",
-            ";(Level,Marker,Object);;Argument[2];log4j;manual",
-            ";(Level,Marker,Object,Throwable);;Argument[2];log4j;manual",
-            ";(Level,Marker,String);;Argument[2];log4j;manual",
-            ";(Level,Marker,String,Object[]);;Argument[2..3];log4j;manual",
-            ";(Level,Marker,String,Object);;Argument[2..3];log4j;manual",
-            ";(Level,Marker,String,Object,Object);;Argument[2..4];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object);;Argument[2..5];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object);;Argument[2..6];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object,Object);;Argument[2..7];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object,Object,Object);;Argument[2..8];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object,Object,Object,Object);;Argument[2..9];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[2..10];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[2..11];log4j;manual",
-            ";(Level,Marker,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[2..12];log4j;manual",
-            ";(Level,Marker,String,Supplier);;Argument[2..3];log4j;manual",
-            ";(Level,Marker,String,Throwable);;Argument[2];log4j;manual",
-            ";(Level,Marker,Supplier);;Argument[2];log4j;manual",
-            ";(Level,Marker,Supplier,Throwable);;Argument[2];log4j;manual",
-            ";(Level,Message);;Argument[1];log4j;manual",
-            ";(Level,MessageSupplier);;Argument[1];log4j;manual",
-            ";(Level,MessageSupplier,Throwable);;Argument[1];log4j;manual",
-            ";(Level,Message);;Argument[1];log4j;manual",
-            ";(Level,Message,Throwable);;Argument[1];log4j;manual",
-            ";(Level,Object);;Argument[1];log4j;manual",
-            ";(Level,Object);;Argument[1];log4j;manual",
-            ";(Level,String);;Argument[1];log4j;manual",
-            ";(Level,Object,Throwable);;Argument[1];log4j;manual",
-            ";(Level,String);;Argument[1];log4j;manual",
-            ";(Level,String,Object[]);;Argument[1..2];log4j;manual",
-            ";(Level,String,Object);;Argument[1..2];log4j;manual",
-            ";(Level,String,Object,Object);;Argument[1..3];log4j;manual",
-            ";(Level,String,Object,Object,Object);;Argument[1..4];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object);;Argument[1..5];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object,Object);;Argument[1..6];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object,Object,Object);;Argument[1..7];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object,Object,Object,Object);;Argument[1..8];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[1..9];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[1..10];log4j;manual",
-            ";(Level,String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[1..11];log4j;manual",
-            ";(Level,String,Supplier);;Argument[1..2];log4j;manual",
-            ";(Level,String,Throwable);;Argument[1];log4j;manual",
-            ";(Level,Supplier);;Argument[1];log4j;manual",
-            ";(Level,Supplier,Throwable);;Argument[1];log4j;manual"
-          ], "org.apache.logging.log4j;Logger;true;entry;(Object[]);;Argument[0];log4j;manual",
-        "org.apache.logging.log4j;Logger;true;logMessage;(Level,Marker,String,StackTraceElement,Message,Throwable);;Argument[4];log4j;manual",
-        "org.apache.logging.log4j;Logger;true;printf;(Level,Marker,String,Object[]);;Argument[2..3];log4j;manual",
-        "org.apache.logging.log4j;Logger;true;printf;(Level,String,Object[]);;Argument[1..2];log4j;manual",
-        // org.apache.logging.log4j.LogBuilder
-        "org.apache.logging.log4j;LogBuilder;true;log;(CharSequence);;Argument[0];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(Message);;Argument[0];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(Object);;Argument[0];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String);;Argument[0];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object[]);;Argument[0..1];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object);;Argument[0..1];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object);;Argument[0..2];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object);;Argument[0..3];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object);;Argument[0..4];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object,Object);;Argument[0..5];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object,Object,Object);;Argument[0..6];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object,Object,Object,Object);;Argument[0..7];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[0..8];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[0..9];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Object,Object,Object,Object,Object,Object,Object,Object,Object,Object);;Argument[0..10];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(String,Supplier[]);;Argument[0..1];log4j;manual",
-        "org.apache.logging.log4j;LogBuilder;true;log;(Supplier);;Argument[0];log4j;manual",
-        // org.apache.logging.log4j.ThreadContext
-        "org.apache.logging.log4j;ThreadContext;false;put;;;Argument[1];log4j;manual",
-        "org.apache.logging.log4j;ThreadContext;false;putIfNull;;;Argument[1];log4j;manual",
-        "org.apache.logging.log4j;ThreadContext;false;putAll;;;Argument[0];log4j;manual",
-        // org.apache.logging.log4j.CloseableThreadContext
-        "org.apache.logging.log4j;CloseableThreadContext;false;put;;;Argument[1];log4j;manual",
-        "org.apache.logging.log4j;CloseableThreadContext;false;putAll;;;Argument[0];log4j;manual",
-        "org.apache.logging.log4j;CloseableThreadContext$Instance;false;put;;;Argument[1];log4j;manual",
-        "org.apache.logging.log4j;CloseableThreadContext$Instance;false;putAll;;;Argument[0];log4j;manual",
-      ]
-  }
-}
-
-class Log4jInjectionSummaries extends SummaryModelCsv {
-  override predicate row(string row) {
-    row =
-      [
-        "org.apache.logging.log4j.message;MapMessage;true;with;;;Argument[1];Argument[-1];taint;manual",
-        "org.apache.logging.log4j.message;MapMessage;true;with;;;Argument[-1];ReturnValue;value;manual",
-        "org.apache.logging.log4j.message;MapMessage;true;put;;;Argument[1];Argument[-1];taint;manual",
-        "org.apache.logging.log4j.message;MapMessage;true;putAll;;;Argument[0].MapValue;Argument[-1];taint;manual",
-      ]
-  }
+private class ActivateModels extends ActiveExperimentalModels {
+  ActivateModels() { this = "log4j-injection" }
 }
 
 /** A data flow sink for unvalidated user input that is used to log messages. */