diff --git a/lib/IAMClient.d.ts b/lib/IAMClient.d.ts
index 6400156..c281316 100644
--- a/lib/IAMClient.d.ts
+++ b/lib/IAMClient.d.ts
@@ -36,7 +36,7 @@ declare class VaultClient {
     setCustomEndpointForSignature(host: any, path: any): void;
     _host: any;
     __path: any;
-    enableIAMOnAdminRoutes(): this;
+    enableIAMOnAdminRoutes(): VaultClient;
     /**
      * Set the configuration for the werelogs logger
      * @param {object} config - A configuration object for werelogs
@@ -362,6 +362,21 @@ declare class VaultClient {
         reqUid: string;
         logger?: werelogs.RequestLogger;
     }, callback: Function): undefined;
+    /**
+     * Retrieves the default encryption key id for the given account's canonical id,
+     * or creates one if it does not exist.
+     *
+     * @param {String} canonicalId - The canonical id of the account.
+     * @param {Object} options - Additional arguments.
+     * @param {string} options.reqUid - The request UID.
+     * @param {Function} callback
+     * - `error` (Error|null) - error object if the operation failed, otherwise null.
+     * - `result` (Object) - result object on success, containing raw response data and HTTP status code.
+     * @returns {void}
+     */
+    getOrCreateEncryptionKeyId(canonicalId: string, options: {
+        reqUid: string;
+    }, callback: Function): void;
     healthcheck(reqUid: any, callback: any): void;
     report(reqUid: any, callback: any): void;
     _signRequest(iamAuthenticate: any, req: any, options: any, path: any): Promise<void>;
diff --git a/lib/IAMClient.d.ts.map b/lib/IAMClient.d.ts.map
index 7900401..ff1e60c 100644
--- a/lib/IAMClient.d.ts.map
+++ b/lib/IAMClient.d.ts.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"IAMClient.d.ts","sourceRoot":"","sources":["IAMClient.js"],"names":[],"mappings":";AAkBA;IACI;;;;;;;;;;;;;;;;OAgBG;IACH,kBAfW,MAAM,SACN,MAAM,aACN,OAAO,QACP,MAAM,SACN,MAAM,OACN,MAAM,aACN,OAAO,cACP,MAAM,mBACN,MAAM,WACN,SAAS,GAAG,SAEZ,MAAM,iBACN,MAAM,wBACN,OAAO,EA4CjB;IA5BG,mBAAsB;IACtB,mBAA8B;IAC9B,aAAe;IACf,cAAiB;IACjB,YAAa;IACb,kBAAmC;IAE/B,2CAME;IAON,kBAA0B;IAC1B,uBAAoC;IACpC,qBAAgC;IAChC,uCAAgC;IAChC,SAAgD;IAChD,cAAiB;IACjB,qCAAwC;IACxC,6BAA2F;IAG/F,0DAGC;IAFG,WAAiB;IACjB,YAAkB;IAGtB,sCAGC;IAED;;;;OAIG;IACH,wBAHW,MAAM,GACJ,SAAS,CAIrB;IAED,wBAEC;IAED,wBAEC;IAED;;;;;;;OAOG;IAEH;;;;;;;;;OASG;IACH,2BAPW,MAAM;QAEU,KAAK,EAArB,MAAM;QACW,KAAK,GAAtB,MAAM;uBAEJ,SAAS,CA4DrB;IAED;;;;;;;OAOG;IACH,qCALW,MAAM,YACN,MAAM,kBAEJ,SAAS,CAmBrB;IAED;;;;;;;OAOG;IACH,sCALW,MAAM,0BAEN,MAAM,GACJ,SAAS,CA4CrB;IAED;;;;;;OAMG;IACH,2BAJW,MAAM,kBAEJ,SAAS,CAWrB;IAED;;;;;;;OAOG;IACH,gCALW,MAAM,SACN,MAAM,kBAEJ,SAAS,CAgBrB;IAED;;;;;;OAMG;IACH,gCAJW,MAAM,kBAEJ,SAAS,CAcrB;IAED;;;;;;OAMG;IACH,6BAJW,MAAM,kBAEJ,SAAS,CAcrB;IAED;;;;;;;OAOG;IACH,qCALW,MAAM,oBACN,MAAM,kBAEJ,SAAS,CAYrB;IAED;;;;;;;;;;;;OAYG;IACH;QAT8B,WAAW,GAA9B,MAAM;QACa,SAAS,GAA5B,MAAM;QACa,GAAG,GAAtB,MAAM;QACa,WAAW,GAA9B,MAAM;QACa,GAAG,GAAtB,MAAM;QACa,KAAK,GAAxB,MAAM;4BAEL,SAAS,CAsDpB;IAED;;;;;;;;;;;OAWG;IACH;QAR8B,WAAW,GAA9B,MAAM;QACa,SAAS,GAA5B,MAAM;QACa,GAAG,GAAtB,MAAM;QACa,WAAW,GAA9B,MAAM;QACa,GAAG,GAAtB,MAAM;4BAEL,SAAS,CAgDpB;IAED;;;;;;;;;;;;;;;OAeG;IACH,sBAbW,QAAM,SAAS,kBAEf,QAAM,SAAS,gBAEf,QAAM,SAAS;QAGE,MAAM,GAAvB,MAAM;QACY,YAAY,GAA9B,OAAO;4BAGN,SAAS,CAiCpB;IAED;;;;;;;;OAQG;IACH;QAL4B,MAAM,GAAvB,MAAM;QACW,QAAQ,GAAzB,MAAM;4BAEL,SAAS,CAyCpB;IAED;;;;;;;;;;OAUG;IACH;QAP4B,WAAW,GAA5B,MAAM;QACW,SAAS,GAA1B,MAAM;QACW,WAAW,GAA5B,MAAM;QACW,YAAY,GAA7B,MAAM;4BAEL,SAAS,CAoDpB;IAED,0FAeC;IAED,iFA8BC;IAED;;;;;;;;;;;;;;;;OAgBG;IACH,0BAdW,MAAM,aACN,MAAM,aAEN,MAAM;QAEW,IAAI,GAArB,MAAM;QACW,MAAM,GAAvB,MAAM;QACW,cAAc,GAA/B,MAAM;QACW,aAAa,GAA9B,MAAM;uBAIJ,SAAS,CAsCrB;IAED;;;;;;;;;;;;;;;;;;;;OAoBG;IACH,gCAhBW,MAAM,aACN,MAAM,aAEN,MAAM,WACN,MAAM,aACN,MAAM;QAEW,MAAM,GAAvB,MAAM;QACW,GAAG,GAApB,MAAM;QACW,cAAc,GAA/B,MAAM;QACW,aAAa,GAA9B,MAAM;uBAIJ,SAAS,CAqDrB;IAED;;;;;;;;;;OAUG;IACH,gCARU,QAAQ;QAGQ,MAAM;4BAGpB,SAAS,CAoBpB;IAED;;;;;;;;;;OAUG;IACH,gCARU,QAAQ;QAGS,MAAM,EAAtB,MAAM;4BAGL,SAAS,CAoBpB;IAED;;;;;;;;;OASG;IACH,wCARU,QAAQ;QAES,MAAM,EAAtB,MAAM;QAC2B,MAAM,GAAvC,SAAS,aAAa;4BAGrB,SAAS,CAsBpB;IAED;;;;;;;;;OASG;IACH,4BARW,QAAQ;QAEQ,MAAM,EAAtB,MAAM;QAC2B,MAAM,GAAvC,SAAS,aAAa;4BAGpB,SAAS,CAqBrB;IAED;;;;;;;;;;;;;;;;OAgBG;IACH;QAbwC,cAAc;QAGb,YAAY;gBAG1C,MAAM;QAES,MAAM;4BAGpB,SAAS,CA+BpB;IAED;;;;;;;;;OASG;IACH,sBARU,QAAQ;QAES,MAAM,EAAtB,MAAM;QAC2B,MAAM,GAAvC,SAAS,aAAa;4BAGrB,SAAS,CAsBpB;IAED;;;;;;;;;;;OAWG;IACH;QAN2B,MAAM,EAAtB,MAAM;4BAIJ,IAAI,CAsBhB;IAED,8CAEC;IAED,yCAUC;IAGD,qFAgCC;IAGD;;;;;;;;;;;;;OAaG;IACH,gBAbW,MAAM,QACN,MAAM,mBACN,OAAO,uBAGP,MAAM,WAIN,MAAM,gBACN,MAAM,GACJ,SAAS,CA0ErB;IAED;;;;;OAKG;IACH,cAHW,MAAM,GACL,MAAM,GAAC,KAAK,CAWvB;IAED;;;;;;OAMG;IACH,YAJW,MAAM,iBAEL,SAAS,CAkBpB;IAED;;;;;;;OAOG;IACH,oBAPW,MAAM,OACN,MAAM,OAEN,MAAM,YAEJ,SAAS,CAwCrB;CACJ"}
\ No newline at end of file
diff --git a/lib/constants.d.ts b/lib/constants.d.ts
index 70e2fc4..16c7e5c 100644
--- a/lib/constants.d.ts
+++ b/lib/constants.d.ts
@@ -1,28 +1,28 @@
 export const httpClientFreeSocketTimeout: 55000;
 export namespace InternalError {
-    let code: number;
-    let description: string;
-    let InternalError: boolean;
+    const code: number;
+    const description: string;
+    const InternalError: boolean;
 }
 export namespace InvalidParameterValue {
-    let code_1: number;
+    const code_1: number;
     export { code_1 as code };
-    let description_1: string;
+    const description_1: string;
     export { description_1 as description };
-    export let InvalidParameterValue: boolean;
+    export const InvalidParameterValue: boolean;
 }
 export namespace Forbidden {
-    let code_2: number;
+    const code_2: number;
     export { code_2 as code };
-    let description_2: string;
+    const description_2: string;
     export { description_2 as description };
-    export let Forbidden: boolean;
+    export const Forbidden: boolean;
 }
 export namespace WrongFormat {
-    let code_3: number;
+    const code_3: number;
     export { code_3 as code };
-    let description_3: string;
+    const description_3: string;
     export { description_3 as description };
-    export let WrongFormat: boolean;
+    export const WrongFormat: boolean;
 }
 //# sourceMappingURL=constants.d.ts.map
\ No newline at end of file