diff --git a/src/store.ts b/src/store.ts
index 3e5f9a293..735f7a977 100644
--- a/src/store.ts
+++ b/src/store.ts
@@ -184,14 +184,14 @@ export interface IStore {
 
     persistenceData?: IPersistenceMinified;
 
-    getConsentState?(mpid: MPID): ConsentState | null;
-    setConsentState?(mpid: MPID, consentState: ConsentState): void;
-
     _getFromPersistence?<T>(mpid: MPID, key: string): T;
     _setPersistence?<T>(mpid: MPID, key: string, value: T): void;
 
+    getConsentState?(mpid: MPID): ConsentState | null;
+    setConsentState?(mpid: MPID, consentState: ConsentState): void;
     getDeviceId?(): string;
     setDeviceId?(deviceId: string): void;
+    getGlobalStorageAttributes?(): IGlobalStoreV2MinifiedKeys;
     getFirstSeenTime?(mpid: MPID): number;
     setFirstSeenTime?(mpid: MPID, time?: number): void;
     getLastSeenTime?(mpid: MPID): number;
@@ -202,7 +202,6 @@ export interface IStore {
     setUserIdentities?(mpid: MPID, userIdentities: UserIdentities): void;
 
     addMpidToSessionHistory?(mpid: MPID, previousMpid?: MPID): void;
-    getGlobalStorageAttributes?(): IGlobalStoreV2MinifiedKeys;
     hasInvalidIdentifyRequest?: () => boolean;
     nullifySession?: () => void;
     processConfig(config: SDKInitConfig): void;
@@ -526,33 +525,6 @@ export default function Store(
         }
     };
 
-    this.getGlobalStorageAttributes = () => ({
-        sid: this.sessionId,
-        ie: this.isEnabled,
-        sa: this.sessionAttributes,
-        ss: this.serverSettings,
-        dt: this.devToken,
-        les: this.dateLastEventSent ? this.dateLastEventSent.getTime() : null,
-        av: this.SDKConfig.appVersion,
-        cgid: this.clientId,
-        das: this.deviceId,
-        c: this.context,
-        ssd: this.sessionStartDate ? this.sessionStartDate.getTime() : 0,
-        ia: this.integrationAttributes,
-
-        csm: this.sessionId ? this.currentSessionMPIDs : undefined,
-    });
-
-    this.hasInvalidIdentifyRequest = (): boolean => {
-        const { identifyRequest } = this.SDKConfig;
-        return (
-            (isObject(identifyRequest) &&
-                isObject(identifyRequest.userIdentities) &&
-                isEmpty(identifyRequest.userIdentities)) ||
-            !identifyRequest
-        );
-    };
-
     this.getConsentState = (mpid: MPID): ConsentState => {
         const {
             fromMinifiedJsonObject,
@@ -576,7 +548,7 @@ export default function Store(
 
         // If ConsentState is null, we assume the intent is to clear out the consent state
         if (consentState || consentState === null) {
-            this._setPersistence(
+            this._setPersistence<IMinifiedConsentJSONObject>(
                 mpid,
                 'con',
                 toMinifiedJsonObject(consentState)
@@ -584,15 +556,41 @@ export default function Store(
         }
     };
 
-    this.getDeviceId = () => this.deviceId;
-    this.setDeviceId = (deviceId: string) => {
+    this.getGlobalStorageAttributes = (): IGlobalStoreV2MinifiedKeys => ({
+        sid: this.sessionId,
+        ie: this.isEnabled,
+        sa: this.sessionAttributes,
+        ss: this.serverSettings,
+        dt: this.devToken,
+        les: this.dateLastEventSent ? this.dateLastEventSent.getTime() : null,
+        av: this.SDKConfig.appVersion,
+        cgid: this.clientId,
+        das: this.deviceId,
+        c: this.context,
+        ssd: this.sessionStartDate ? this.sessionStartDate.getTime() : 0,
+        ia: this.integrationAttributes,
+
+        csm: this.sessionId ? this.currentSessionMPIDs : undefined,
+    });
+
+    this.hasInvalidIdentifyRequest = (): boolean => {
+        const { identifyRequest } = this.SDKConfig;
+        return (
+            (isObject(identifyRequest) &&
+                isObject(identifyRequest.userIdentities) &&
+                isEmpty(identifyRequest.userIdentities)) ||
+            !identifyRequest
+        );
+    };
+
+    this.getDeviceId = (): string => this.deviceId;
+    this.setDeviceId = (deviceId: string): void => {
         this.deviceId = deviceId;
         this.persistenceData.gs.das = deviceId;
         mpInstance._Persistence.update();
     };
 
-
-    this.getFirstSeenTime = (mpid: MPID) =>
+    this.getFirstSeenTime = (mpid: MPID): number =>
         this._getFromPersistence<number>(mpid, 'fst');
 
     this.setFirstSeenTime = (mpid: MPID, _time?: number) => {
@@ -602,7 +600,7 @@ export default function Store(
 
         const time = _time || new Date().getTime();
 
-        this._setPersistence(mpid, 'fst', time);
+        this._setPersistence<number>(mpid, 'fst', time);
     };
 
     this.getLastSeenTime = (mpid: MPID): number => {
@@ -618,40 +616,30 @@ export default function Store(
         return this._getFromPersistence<number>(mpid, 'lst');
     };
 
-    this.setLastSeenTime = (mpid: MPID, _time?: number) => {
+    this.setLastSeenTime = (mpid: MPID, _time?: number): void => {
         if (!mpid) {
             return;
         }
 
         const time = _time || new Date().getTime();
 
-        this._setPersistence(mpid, 'lst', time);
-    };
-
-    this.syncPersistenceData = () => {
-        const persistenceData = mpInstance._Persistence.getPersistence();
-
-        this.persistenceData = mpInstance._Helpers.extend(
-            {},
-            this.persistenceData,
-            persistenceData,
-        );
+        this._setPersistence<number>(mpid, 'lst', time);
     };
 
-    this.getUserIdentities = (mpid: MPID): UserIdentities =>
-        this._getFromPersistence(mpid, 'ui') || {};
-
-    this.setUserIdentities = (mpid: MPID, userIdentities: UserIdentities) => {
-        this._setPersistence(mpid, 'ui', userIdentities);
-    }
-
     this.getUserAttributes = (mpid: MPID): UserAttributes =>
         this._getFromPersistence(mpid, 'ua') || {};
 
     this.setUserAttributes = (
         mpid: MPID,
         userAttributes: UserAttributes
-    ): void => this._setPersistence(mpid, 'ua', userAttributes);
+    ): void => this._setPersistence<UserAttributes>(mpid, 'ua', userAttributes);
+
+    this.getUserIdentities = (mpid: MPID): UserIdentities =>
+        this._getFromPersistence<UserIdentities>(mpid, 'ui') || {};
+
+    this.setUserIdentities = (mpid: MPID, userIdentities: UserIdentities) => {
+        this._setPersistence<UserIdentities>(mpid, 'ui', userIdentities);
+    };
 
     this.addMpidToSessionHistory = (mpid: MPID, previousMPID?: MPID): void => {
         const indexOfMPID = this.currentSessionMPIDs.indexOf(mpid);
@@ -705,6 +693,16 @@ export default function Store(
 
         this.configurationLoaded = true;
     };
+
+    this.syncPersistenceData = () => {
+        const persistenceData = mpInstance._Persistence.getPersistence();
+
+        this.persistenceData = mpInstance._Helpers.extend(
+            {},
+            this.persistenceData,
+            persistenceData
+        );
+    };
 }
 
 // https://go.mparticle.com/work/SQDSDKS-6317