fix(core): update

ts/smartjwt.classes.smartjwt.ts

@@ -1,10 +1,5 @@
 import * as plugins from './smartjwt.plugins.js';
 
-export interface ISmartJWTJSONKeypair {
-  privatePem: string;
-  publicPem: string;
-}
-
 /**
  * A class to create and validate JWTs and their keys
  */
@@ -51,7 +46,7 @@ export class SmartJwt<T extends object = any> {
   /**
    * gets the currently set kaypair as json
    */
-  public getKeyPairAsJson(): ISmartJWTJSONKeypair {
+  public getKeyPairAsJson(): plugins.tsclass.network.IJwtKeypair {
     return {
       privatePem: this.privateKey.toPemString(),
       publicPem: this.publicKey.toPemString(),
@@ -61,7 +56,7 @@ export class SmartJwt<T extends object = any> {
   /**
    * sets the currently set keypair as json
    */
-  public setKeyPairAsJson(jsonKeyPair: ISmartJWTJSONKeypair) {
+  public setKeyPairAsJson(jsonKeyPair: plugins.tsclass.network.IJwtKeypair) {
     this.privateKey = plugins.smartcrypto.PrivateKey.fromPemString(jsonKeyPair.privatePem);
     this.publicKey = plugins.smartcrypto.PublicKey.fromPemString(jsonKeyPair.publicPem);
   }