diff --git a/frontend/src/scripts/settings/settings-group.ts b/frontend/src/scripts/settings/settings-group.ts
index 3c3e16fec..0dda8d362 100644
--- a/frontend/src/scripts/settings/settings-group.ts
+++ b/frontend/src/scripts/settings/settings-group.ts
@@ -1,18 +1,29 @@
 import Config from "../config";
 
+type ConfigValues =
+  | string
+  | number
+  | boolean
+  | string[]
+  | MonkeyTypes.QuoteLengthArray
+  | MonkeyTypes.ResultFilters
+  | MonkeyTypes.CustomBackgroundFilter
+  | null
+  | undefined;
+
 export default class SettingsGroup {
   public configName: string;
-  public configValue: any;
-  public configFunction: (value: any, params?: any[]) => any;
+  public configValue: ConfigValues;
+  public configFunction: (...params: any[]) => boolean;
   public mode: string;
-  public setCallback?: () => any;
-  public updateCallback?: () => any;
+  public setCallback?: () => void;
+  public updateCallback?: () => void;
   constructor(
     configName: string,
-    configFunction: (...values: any[]) => any,
+    configFunction: (...params: any[]) => boolean,
     mode: string,
-    setCallback?: () => any,
-    updateCallback?: () => any
+    setCallback?: () => void,
+    updateCallback?: () => void
   ) {
     this.configName = configName;
     this.configValue = Config[configName as keyof typeof Config];
@@ -70,7 +81,7 @@ export default class SettingsGroup {
     );
     if (this.mode === "select") {
       $(`.pageSettings .section.${this.configName} select`)
-        .val(this.configValue)
+        .val(this.configValue as string)
         .trigger("change.select2");
     } else if (this.mode === "button") {
       $(