diff --git a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/CaseInsensitiveKeyMap.java b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/CaseInsensitiveKeyMap.java
new file mode 100644
index 00000000..8cbcb54d
--- /dev/null
+++ b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/CaseInsensitiveKeyMap.java
@@ -0,0 +1,53 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2024.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.kingsrook.qqq.backend.core.utils.collections;
+
+
+import java.util.Map;
+import java.util.function.Supplier;
+
+
+/*******************************************************************************
+ ** Version of map where string keys are handled case-insensitively.  e.g.,
+ ** map.put("One", 1); map.get("ONE") == 1.
+ *******************************************************************************/
+public class CaseInsensitiveKeyMap<V> extends TransformedKeyMap<String, String, V>
+{
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   public CaseInsensitiveKeyMap()
+   {
+      super(key -> key.toLowerCase());
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   public CaseInsensitiveKeyMap(Supplier<Map<String, V>> supplier)
+   {
+      super(key -> key.toLowerCase(), supplier);
+   }
+
+}
diff --git a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/TransformedKeyMap.java b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/TransformedKeyMap.java
new file mode 100644
index 00000000..afe1116d
--- /dev/null
+++ b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/TransformedKeyMap.java
@@ -0,0 +1,400 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2024.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.kingsrook.qqq.backend.core.utils.collections;
+
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+
+/*******************************************************************************
+ ** Version of a map that uses a transformation function on keys.  The original
+ ** idea being, e.g., to support case-insensitive keys via a toLowerCase transform.
+ ** e.g., map.put("One", 1); map.get("ONE") == 1.
+ **
+ ** But, implemented generically to support any transformation function.
+ **
+ ** keySet() and entries() should give only the first version of a key that overlapped.
+ ** e.g., map.put("One", 1); map.put("one", 1); map.keySet() == Set.of("One");
+ *******************************************************************************/
+public class TransformedKeyMap<OK, TK, V> implements Map<OK, V>
+{
+   private Function<OK, TK> keyTransformer;
+   private Map<TK, V>       wrappedMap;
+
+   private Map<TK, OK> originalKeys = new HashMap<>();
+
+
+
+   /*******************************************************************************
+    ** Constructor
+    **
+    *******************************************************************************/
+   public TransformedKeyMap(Function<OK, TK> keyTransformer)
+   {
+      this.keyTransformer = keyTransformer;
+      this.wrappedMap = new HashMap<>();
+   }
+
+
+
+   /*******************************************************************************
+    ** Constructor
+    **
+    *******************************************************************************/
+   public TransformedKeyMap(Function<OK, TK> keyTransformer, Supplier<Map<TK, V>> supplier)
+   {
+      this.keyTransformer = keyTransformer;
+      this.wrappedMap = supplier.get();
+   }
+
+
+
+   /***************************************************************************
+    **
+    ***************************************************************************/
+   @Override
+   public int size()
+   {
+      return (wrappedMap.size());
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public boolean isEmpty()
+   {
+      return (wrappedMap.isEmpty());
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public boolean containsKey(Object key)
+   {
+      try
+      {
+         TK transformed = keyTransformer.apply((OK) key);
+         return wrappedMap.containsKey(transformed);
+      }
+      catch(Exception e)
+      {
+         return (false);
+      }
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public boolean containsValue(Object value)
+   {
+      return (wrappedMap.containsValue(value));
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public V get(Object key)
+   {
+      try
+      {
+         TK transformed = keyTransformer.apply((OK) key);
+         return wrappedMap.get(transformed);
+      }
+      catch(Exception e)
+      {
+         return (null);
+      }
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public @Nullable V put(OK key, V value)
+   {
+      TK transformed = keyTransformer.apply(key);
+      originalKeys.putIfAbsent(transformed, key);
+      return wrappedMap.put(transformed, value);
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public V remove(Object key)
+   {
+      try
+      {
+         TK transformed = keyTransformer.apply((OK) key);
+         originalKeys.remove(transformed);
+         return wrappedMap.remove(transformed);
+      }
+      catch(Exception e)
+      {
+         return (null);
+      }
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public void putAll(@NotNull Map<? extends OK, ? extends V> m)
+   {
+      for(Entry<? extends OK, ? extends V> entry : m.entrySet())
+      {
+         put(entry.getKey(), entry.getValue());
+      }
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public void clear()
+   {
+      wrappedMap.clear();
+      originalKeys.clear();
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public @NotNull Set<OK> keySet()
+   {
+      return new HashSet<>(originalKeys.values());
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public @NotNull Collection<V> values()
+   {
+      return wrappedMap.values();
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   @Override
+   public @NotNull Set<Entry<OK, V>> entrySet()
+   {
+      Set<Entry<TK, V>> wrappedEntries = wrappedMap.entrySet();
+      Set<Entry<OK, V>> originalEntries;
+      try
+      {
+         originalEntries = wrappedEntries.getClass().getConstructor().newInstance();
+      }
+      catch(Exception e)
+      {
+         originalEntries = new HashSet<>();
+      }
+
+      for(Entry<TK, V> wrappedEntry : wrappedEntries)
+      {
+         OK originalKey = originalKeys.get(wrappedEntry.getKey());
+         originalEntries.add(new TransformedKeyMapEntry<>(originalKey, wrappedEntry.getValue()));
+      }
+
+      return (originalEntries);
+   }
+
+   // methods with a default implementation below here //
+
+
+
+   /*
+   @Override
+   public V getOrDefault(Object key, V defaultValue)
+   {
+      return Map.super.getOrDefault(key, defaultValue);
+   }
+
+
+
+   @Override
+   public void forEach(BiConsumer<? super OK, ? super V> action)
+   {
+      Map.super.forEach(action);
+   }
+
+
+
+   @Override
+   public void replaceAll(BiFunction<? super OK, ? super V, ? extends V> function)
+   {
+      Map.super.replaceAll(function);
+   }
+
+
+
+   @Override
+   public @Nullable V putIfAbsent(OK key, V value)
+   {
+      return Map.super.putIfAbsent(key, value);
+   }
+
+
+
+   @Override
+   public boolean remove(Object key, Object value)
+   {
+      return Map.super.remove(key, value);
+   }
+
+
+
+   @Override
+   public boolean replace(OK key, V oldValue, V newValue)
+   {
+      return Map.super.replace(key, oldValue, newValue);
+   }
+
+
+
+   @Override
+   public @Nullable V replace(OK key, V value)
+   {
+      return Map.super.replace(key, value);
+   }
+
+
+
+   @Override
+   public V computeIfAbsent(OK key, @NotNull Function<? super OK, ? extends V> mappingFunction)
+   {
+      return Map.super.computeIfAbsent(key, mappingFunction);
+   }
+
+
+
+   @Override
+   public V computeIfPresent(OK key, @NotNull BiFunction<? super OK, ? super V, ? extends V> remappingFunction)
+   {
+      return Map.super.computeIfPresent(key, remappingFunction);
+   }
+
+
+
+   @Override
+   public V compute(OK key, @NotNull BiFunction<? super OK, ? super @Nullable V, ? extends V> remappingFunction)
+   {
+      return Map.super.compute(key, remappingFunction);
+   }
+
+
+
+   @Override
+   public V merge(OK key, @NotNull V value, @NotNull BiFunction<? super V, ? super V, ? extends V> remappingFunction)
+   {
+      return Map.super.merge(key, value, remappingFunction);
+   }
+
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   public static class TransformedKeyMapEntry<EK, EV> implements Map.Entry<EK, EV>
+   {
+      private final EK key;
+      private       EV value;
+
+
+
+      /*******************************************************************************
+       ** Constructor
+       **
+       *******************************************************************************/
+      public TransformedKeyMapEntry(EK key, EV value)
+      {
+         this.key = key;
+         this.value = value;
+      }
+
+
+
+      /***************************************************************************
+       **
+       ***************************************************************************/
+      @Override
+      public EK getKey()
+      {
+         return (key);
+      }
+
+
+
+      @Override
+      public EV getValue()
+      {
+         return (value);
+      }
+
+
+
+      /***************************************************************************
+       *
+       ***************************************************************************/
+      @Override
+      public EV setValue(EV value)
+      {
+         throw (new UnsupportedOperationException("Setting value in an entry of a TransformedKeyMap is not supported."));
+      }
+   }
+}
diff --git a/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/CaseInsensitiveKeyMapTest.java b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/CaseInsensitiveKeyMapTest.java
new file mode 100644
index 00000000..63919551
--- /dev/null
+++ b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/CaseInsensitiveKeyMapTest.java
@@ -0,0 +1,52 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2024.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.kingsrook.qqq.backend.core.utils.collections;
+
+
+import com.kingsrook.qqq.backend.core.BaseTest;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+
+/*******************************************************************************
+ ** Unit test for CaseInsensitiveKeyMap 
+ *******************************************************************************/
+class CaseInsensitiveKeyMapTest extends BaseTest
+{
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void test()
+   {
+      CaseInsensitiveKeyMap<Integer> map = new CaseInsensitiveKeyMap<>();
+      map.put("One", 1);
+      map.put("one", 1);
+      map.put("ONE", 1);
+      assertEquals(1, map.get("one"));
+      assertEquals(1, map.get("One"));
+      assertEquals(1, map.get("oNe"));
+      assertEquals(1, map.size());
+   }
+
+}
\ No newline at end of file
diff --git a/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/TransformedKeyMapTest.java b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/TransformedKeyMapTest.java
new file mode 100644
index 00000000..f319706d
--- /dev/null
+++ b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/TransformedKeyMapTest.java
@@ -0,0 +1,199 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2024.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.kingsrook.qqq.backend.core.utils.collections;
+
+
+import java.math.BigDecimal;
+import java.util.Map;
+import com.kingsrook.qqq.backend.core.BaseTest;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+
+/*******************************************************************************
+ ** Unit test for TransformedKeyMap 
+ *******************************************************************************/
+@SuppressWarnings({ "RedundantCollectionOperation", "RedundantOperationOnEmptyContainer" })
+class TransformedKeyMapTest extends BaseTest
+{
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testCaseInsensitiveKeyMap()
+   {
+      TransformedKeyMap<String, String, Integer> caseInsensitiveKeys = new TransformedKeyMap<>(key -> key.toLowerCase());
+      caseInsensitiveKeys.put("One", 1);
+      caseInsensitiveKeys.put("one", 1);
+      caseInsensitiveKeys.put("ONE", 1);
+      assertEquals(1, caseInsensitiveKeys.get("one"));
+      assertEquals(1, caseInsensitiveKeys.get("One"));
+      assertEquals(1, caseInsensitiveKeys.get("oNe"));
+      assertEquals(1, caseInsensitiveKeys.size());
+
+      //////////////////////////////////////////////////
+      // get back the first way it was put in the map //
+      //////////////////////////////////////////////////
+      assertEquals("One", caseInsensitiveKeys.entrySet().iterator().next().getKey());
+      assertEquals("One", caseInsensitiveKeys.keySet().iterator().next());
+
+      assertEquals(1, caseInsensitiveKeys.entrySet().size());
+      assertEquals(1, caseInsensitiveKeys.keySet().size());
+
+      for(String key : caseInsensitiveKeys.keySet())
+      {
+         assertEquals(1, caseInsensitiveKeys.get(key));
+      }
+
+      for(Map.Entry<String, Integer> entry : caseInsensitiveKeys.entrySet())
+      {
+         assertEquals("One", entry.getKey());
+         assertEquals(1, entry.getValue());
+      }
+
+      /////////////////////////////
+      // add a second unique key //
+      /////////////////////////////
+      caseInsensitiveKeys.put("Two", 2);
+      assertEquals(2, caseInsensitiveKeys.size());
+      assertEquals(2, caseInsensitiveKeys.entrySet().size());
+      assertEquals(2, caseInsensitiveKeys.keySet().size());
+
+      ////////////////////////////////////////
+      // make sure remove works as expected //
+      ////////////////////////////////////////
+      caseInsensitiveKeys.remove("TWO");
+      assertNull(caseInsensitiveKeys.get("Two"));
+      assertNull(caseInsensitiveKeys.get("two"));
+      assertEquals(1, caseInsensitiveKeys.size());
+      assertEquals(1, caseInsensitiveKeys.keySet().size());
+      assertEquals(1, caseInsensitiveKeys.entrySet().size());
+
+      ///////////////////////////////////////
+      // make sure clear works as expected //
+      ///////////////////////////////////////
+      caseInsensitiveKeys.clear();
+      assertNull(caseInsensitiveKeys.get("one"));
+      assertEquals(0, caseInsensitiveKeys.size());
+      assertEquals(0, caseInsensitiveKeys.keySet().size());
+      assertEquals(0, caseInsensitiveKeys.entrySet().size());
+
+      /////////////////////////////////////////
+      // make sure put-all works as expected //
+      /////////////////////////////////////////
+      caseInsensitiveKeys.putAll(Map.of("One", 1, "one", 1, "ONE", 1, "TwO", 2, "tWo", 2, "three", 3));
+      assertEquals(1, caseInsensitiveKeys.get("oNe"));
+      assertEquals(2, caseInsensitiveKeys.get("two"));
+      assertEquals(3, caseInsensitiveKeys.get("Three"));
+      assertEquals(3, caseInsensitiveKeys.size());
+      assertEquals(3, caseInsensitiveKeys.entrySet().size());
+      assertEquals(3, caseInsensitiveKeys.keySet().size());
+   }
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testStringToNumberMap()
+   {
+      BigDecimal BIG_DECIMAL_TWO = BigDecimal.valueOf(2);
+      BigDecimal BIG_DECIMAL_THREE = BigDecimal.valueOf(3);
+
+      TransformedKeyMap<String, Integer, BigDecimal> multiLingualWordToNumber = new TransformedKeyMap<>(key ->
+         switch (key.toLowerCase())
+         {
+            case "one", "uno", "eins" -> 1;
+            case "two", "dos", "zwei" -> 2;
+            case "three", "tres", "drei" -> 3;
+            default -> null;
+         });
+      multiLingualWordToNumber.put("One", BigDecimal.ONE);
+      multiLingualWordToNumber.put("uno", BigDecimal.ONE);
+      assertEquals(BigDecimal.ONE, multiLingualWordToNumber.get("one"));
+      assertEquals(BigDecimal.ONE, multiLingualWordToNumber.get("uno"));
+      assertEquals(BigDecimal.ONE, multiLingualWordToNumber.get("eins"));
+      assertEquals(1, multiLingualWordToNumber.size());
+
+      //////////////////////////////////////////////////
+      // get back the first way it was put in the map //
+      //////////////////////////////////////////////////
+      assertEquals("One", multiLingualWordToNumber.entrySet().iterator().next().getKey());
+      assertEquals("One", multiLingualWordToNumber.keySet().iterator().next());
+
+      assertEquals(1, multiLingualWordToNumber.entrySet().size());
+      assertEquals(1, multiLingualWordToNumber.keySet().size());
+
+      for(String key : multiLingualWordToNumber.keySet())
+      {
+         assertEquals(BigDecimal.ONE, multiLingualWordToNumber.get(key));
+      }
+
+      for(Map.Entry<String, BigDecimal> entry : multiLingualWordToNumber.entrySet())
+      {
+         assertEquals("One", entry.getKey());
+         assertEquals(BigDecimal.ONE, entry.getValue());
+      }
+
+      /////////////////////////////
+      // add a second unique key //
+      /////////////////////////////
+      multiLingualWordToNumber.put("Two", BIG_DECIMAL_TWO);
+      assertEquals(BIG_DECIMAL_TWO, multiLingualWordToNumber.get("Dos"));
+      assertEquals(2, multiLingualWordToNumber.size());
+      assertEquals(2, multiLingualWordToNumber.entrySet().size());
+      assertEquals(2, multiLingualWordToNumber.keySet().size());
+
+      ////////////////////////////////////////
+      // make sure remove works as expected //
+      ////////////////////////////////////////
+      multiLingualWordToNumber.remove("ZWEI");
+      assertNull(multiLingualWordToNumber.get("Two"));
+      assertNull(multiLingualWordToNumber.get("Dos"));
+      assertEquals(1, multiLingualWordToNumber.size());
+      assertEquals(1, multiLingualWordToNumber.keySet().size());
+      assertEquals(1, multiLingualWordToNumber.entrySet().size());
+
+      ///////////////////////////////////////
+      // make sure clear works as expected //
+      ///////////////////////////////////////
+      multiLingualWordToNumber.clear();
+      assertNull(multiLingualWordToNumber.get("eins"));
+      assertNull(multiLingualWordToNumber.get("One"));
+      assertEquals(0, multiLingualWordToNumber.size());
+      assertEquals(0, multiLingualWordToNumber.keySet().size());
+      assertEquals(0, multiLingualWordToNumber.entrySet().size());
+
+      /////////////////////////////////////////
+      // make sure put-all works as expected //
+      /////////////////////////////////////////
+      multiLingualWordToNumber.putAll(Map.of("One", BigDecimal.ONE, "Uno", BigDecimal.ONE, "EINS", BigDecimal.ONE, "dos", BIG_DECIMAL_TWO, "zwei",BIG_DECIMAL_TWO, "tres", BIG_DECIMAL_THREE));
+      assertEquals(BigDecimal.ONE, multiLingualWordToNumber.get("oNe"));
+      assertEquals(BIG_DECIMAL_TWO, multiLingualWordToNumber.get("dos"));
+      assertEquals(BIG_DECIMAL_THREE, multiLingualWordToNumber.get("drei"));
+      assertEquals(3, multiLingualWordToNumber.size());
+      assertEquals(3, multiLingualWordToNumber.entrySet().size());
+      assertEquals(3, multiLingualWordToNumber.keySet().size());
+   }
+
+}
\ No newline at end of file